According to an embodiment, a computer implemented method and a scanner system are disclosed. The computer implemented method for updating a current digital 3D scan representing the surface of a physical object with an at least one new 3D scan, where the updating of the current digital 3D scan provides an updated digital 3D scan representation of the surface of the physical object is disclosed. The computer implemented method may comprise obtaining the current digital 3D scan, obtaining the at least one new digital 3D scan, determining an inconsistent digital 3D scan, where at least a part of the new digital 3D scan does not overlap with at least a part of the current digital 3D scan, and creating the updated digital 3D scan, which represent the physical object by applying the inconsistent digital 3D scan to the current digital 3D scan.
The present disclosure relates to an intraoral scanning system that is configured to determine three-dimensional surface model and a plurality of focused images. The intraoral scanning system comprising a projector unit configured to emit light onto a dental object, wherein the emitted light includes an infrared wavelength and structured light that includes a first visible wavelength; a first image sensor unit including; a first image sensor configured to acquire first reflected light from the dental object, wherein the first reflected light includes the infrared wavelength, and wherein the first image sensor includes an array of pixels, a micro-lens array arranged in front of the array of pixels and configured to convey the first reflected light to the array of pixels, wherein one or more micro lenses of the micro-lens array directs the first reflected light to one or more pixels of the array of pixels; a second image sensor unit including; a second image sensor configured to acquire second reflected light from the dental object, wherein the second reflected light includes the structured light, a processor unit configured to determine; three-dimensional (3D) data of the dental object based on the second reflected light, a three-dimensional (3D) surface model of the dental object by merging the 3D data, and a plurality of focused images at different focus depth into the dental object by selection of a set of pixels from the array of pixels associated with each microlens of the micro-lens array, and wherein the processor unit is configured to align a position of each of the plurality of focused images to a position in the 3D surface model based on the 3D data.
G01B 11/25 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. moiré fringes, on the object
A61B 1/06 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor with illuminating arrangements
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
3.
AN INTRAORAL SCANNING SYSTEM WITH AN INFRARED LIGHT SOURCE IN A TIP HOUSING
The present disclosure relates to an intraoral scanning system that comprises a tip housing configured to be inserted at least partially into an oral cavity of a patient. The tip housing includes a scanning window, an infrared light source configured to emit infrared light towards the oral cavity via the scanning window, a first interface unit configured to receive electrical power from a power source of the intraoral scanning system. The first interface unit is configured to be connected to a first heating conduction path, and wherein the first interface unit is configured to control a level of electrical heat power in the first heating conduction path, and wherein the first heating conduction path is configured to transfer a generated heat to the scanning window based on the electrical heat power, and a secondary conduction path, and wherein the first interface unit is configured to supply power to the infrared light source via the secondary conduction path, wherein the first heating conduction path and the secondary conduction path are at least partially in parallel within the tip housing.
A61B 1/247 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressorsInstruments for opening or keeping open the mouth with means for viewing areas outside the direct line of sight, e.g. dentists' mirrors
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
A61B 1/253 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressorsInstruments for opening or keeping open the mouth with means for viewing areas outside the direct line of sight, e.g. dentists' mirrors with means for preventing fogging
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
A61B 1/24 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressorsInstruments for opening or keeping open the mouth
Diagnostic and dental apparatus and instruments; optical and
x-ray scanners for diagnostic, dental, odontologic,
orthodontic purposes and for dentistry; scanners for
intra-oral optical dental purposes; dental optical coherence
tomography (OCT) scanners; intraoral scanners for use in the
detection and visual monitoring of surface caries, tooth
wear, gingival recession, plaque, and proximal caries.
A method includes obtaining a first and a second tooth digital representation of a tooth; subdividing each of the representations into two sub-regions; applying an alignment process for aligning a sub-region of the first digital representation with a sub-region of the second digital representation, wherein the sub-region of the first digital representation and the corresponding sub-region of the second digital representation correspond to a part of the tooth; and aligning the first representation to the second representation. A system for acquisition and processing of a tooth digital representation includes one input peripheral configured to generate image data of a jaw or a tooth; one output peripheral configured to display one digital representation of jaw or teeth and to provide visual data of the quality of the digital representation alignment; and one processing unit configured to generate digital representations of jaws or teeth and perform alignment of teeth.
According to an embodiment, a dental scanning system and a computer implemented method of generating a training set for a machine learning model are disclosed. According to a further embodiment, a dental scanning system and a computer implemented method for providing a diagnostic data set of a patient are disclosed.
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
A61B 1/24 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressorsInstruments for opening or keeping open the mouth
G06V 10/26 - Segmentation of patterns in the image fieldCutting or merging of image elements to establish the pattern region, e.g. clustering-based techniquesDetection of occlusion
G06V 10/774 - Generating sets of training patternsBootstrap methods, e.g. bagging or boosting
According to an embodiment, a method for generating a digital data set for fabricating a physical dental bleaching tray useable to deliver an bleaching agent is disclosed. The method includes obtaining a three-dimensional digital representation of a patient's dentition including teeth and gingiva; segmenting two or more teeth into individual tooth; identifying a facial surface of at least one of the segmented tooth; defining a facial surface portion including a surface area that is at least partly bound by a virtual boundary that is non-interfacing with the gingiva; generating a modified three-dimensional digital representation using the defined facial surface portion; and generating, based on the modified three-dimensional digital representation, the digital data set configured to be used in fabricating the physical dental bleaching tray.
(1) Diagnostic and dental apparatus and instruments; optical and x-ray scanners for diagnostic, dental, odontologic, orthodontic purposes and for dentistry; scanners for intra-oral optical dental purposes; dental optical coherence tomography (OCT) scanners; intraoral scanners for use in the detection and visual monitoring of surface caries, tooth wear, gingival recession, plaque, and proximal caries.
Diagnostic and dental apparatus and instruments; optical and x-ray scanners for diagnostic, dental, odontologic, orthodontic purposes and for dentistry; scanners for intra-oral optical dental purposes; dental optical coherence tomography (OCT) scanners; intraoral scanners for use in the detection and visual monitoring of surface caries, tooth wear, gingival recession, plaque, and proximal caries.
10.
DETECTION OF A MOVABLE OBJECT WHEN 3D SCANNING A RIGID OBJECT
Detecting a movable object in a location includes providing a first 3D representation of at least part of a surface; providing a second 3D representation of at least part of the surface; determining for the first 3D representation a first excluded volume in space where no surface can be present; determining for the second 3D representation a second excluded volume in space where no surface can be present; if a portion of the surface in the first 3D representation is located in space in the second excluded volume, the portion of the surface in the first 3D representation is disregarded in the generation of the virtual 3D model, and/or if a portion of the surface in the second 3D representation is located in space in the first excluded volume, the portion of the surface in the second 3D representation is disregarded in the generation of the virtual 3D model.
A computer-implemented method for aligning digital three- dimensional models of a patient's dentition is disclosed. The method comprises receiving a first digital three-dimensional model (101) of the patient's dentition comprising a first plurality of tooth regions and receiving a second digital three- dimensional model (102) of the patient's dentition comprising a second plurality of tooth regions. The method further comprises obtaining closest tooth regions by identifying, for each tooth region of the first plurality of tooth regions, a closest tooth region of the second plurality of tooth regions. Further, the method comprises identifying corresponding tooth regions (200) of the first digital three-dimensional model (101) and the second digital three-dimensional model (102) by identifying, from the closest tooth regions, those closest tooth regions with a relative deviation in a surface feature lower than a threshold for the surface feature, wherein the surface feature is a surface normal and wherein the threshold is a threshold for surface normal selected in a range of 5 degrees to 30 degrees. Additionally, the method comprises aligning the first digital three-dimensional model (101) and the second digital three- dimensional model (102) by minimizing distances between the identified corresponding tooth regions (200), and displaying the aligned first digital three-dimensional model (101) and the second digital three-dimensional model (102).
A method of designing a virtual 3D model of a dental restoration for a target site of a patient's set of teeth, the method including: obtaining a digital 3D representation of the set of teeth, the digital 3D representation including a section corresponding to the target site; determining an insertion path for the dental restoration to the target site; and designing the virtual 3D model of the dental restoration based on the digital 3D representation of the set of teeth, where the designing includes generating an outer surface of the virtual 3D model, where the determined insertion path and the outer surface of the designed virtual 3D model provide that a dental restoration manufactured from the designed virtual 3D model can be moved along the insertion path to the target site.
An intraoral scanning system with wavelength dependent aperture is provided. The intraoral scanning system comprises a lens assembly including a wavelength dependent aperture. The wavelength dependent layer is characterized by a first aperture layer and a second aperture layer. The first aperture layer allows light signals of at least one of: a first wavelength, a second wavelength, or a combination thereof to pass through. The second aperture layer allows light signals of the second wavelength to pass through and blocks light signals of the first wavelength. The intraoral scanning system comprising an image sensor unit for acquiring light signals corresponding to the first wavelength and the second wavelength, and a processor configured to determine 3D data for a dental object based on the acquired light signals of second wavelength and diagnostic data of the dental object based on the acquired light signals of the first wavelength.
A computer-implemented method for aligning a two-dimensional (2D) dental X-ray image (202) with a three-dimensional (3D) dental surface scan (201) is disclosed. The method comprises receiving the two-dimensional dental X-ray image (202) of at least a portion of at least one tooth (200) of a patient, receiving the three-dimensional dental surface scan (201) of the at least portion of the at least one tooth (200) of the patient. Further, the method comprises identifying a location of the two- dimensional dental X-ray image (202) with respect to the three- dimensional dental surface scan (201) by obtaining a simulated X-ray image of the at least portion of the at least one tooth (200) based on the three-dimensional dental surface scan (201) such that an observed intensity in the simulated X-ray image matches the observed intensity in the two-dimensional dental X- ray image (202). Additionally, the method comprises displaying the two-dimensional dental X-ray image (202) and the three- dimensional dental surface scan (201) in a common three- dimensional scene, wherein the two-dimensional dental X-ray image (202) is displayed at the identified location.
A computer-implemented method for improving the accuracy of a three-dimensional (3D) representation of a jaw, the method including obtaining a first digital 3D representation of at least a part of a first jaw; obtaining a second digital 3D representation of at least a part of a second jaw; combining several 3D frames generated for a number of different views of the jaws in occlusion, wherein each 3D frame includes data expressing the geometry of at least a part of the jaws in occlusion; and correcting the first digital 3D representation by adjusting the position of one or more surface points belonging to the first digital 3D representation based on the position of 3D frames associated with the third digital 3D representation, whereby the accuracy of the first digital 3D representation is improved.
Disclosed are methods and digital tools for deriving tooth condition information for a patient's teeth, for populating a digital dental chart with derived tooth condition information, and for generating an electronic data record containing such information.
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
A61B 5/103 - Measuring devices for testing the shape, pattern, size or movement of the body or parts thereof, for diagnostic purposes
A61B 6/51 - Apparatus or devices for radiation diagnosisApparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body partsApparatus or devices for radiation diagnosisApparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific clinical applications for dentistry
G06T 7/32 - Determination of transform parameters for the alignment of images, i.e. image registration using correlation-based methods
G06T 7/70 - Determining position or orientation of objects or cameras
G16H 10/60 - ICT specially adapted for the handling or processing of patient-related medical or healthcare data for patient-specific data, e.g. for electronic patient records
G16H 30/20 - ICT specially adapted for the handling or processing of medical images for handling medical images, e.g. DICOM, HL7 or PACS
G16H 30/40 - ICT specially adapted for the handling or processing of medical images for processing medical images, e.g. editing
G16H 50/20 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for computer-aided diagnosis, e.g. based on medical expert systems
17.
SYSTEM AND METHOD FOR COMPRESSION OF INTRAORAL SCAN DATA
An intraoral scanning system (102) including a handheld intraoral scanning device (104). The handheld intraoral scanning device (104) captures intraoral scan data (110) associated with a user. The intraoral scan data includes texture data (110A) and three-dimensional (3D) data (110B) captured during an intraoral scanning session of the user. The handheld intraoral scanning device (104) generates compressed texture data (112A) associated with the texture data (110A) based on an application of a first compression operation (502) on the texture data (110A). The handheld intraoral scanning device (104) generates compressed 3D data (112B) associated with the 3D data (110B) based on the application of the second compression operation (602) on the 3D data (110B). The handheld intraoral scanning device (104) transmits a combination of the compressed texture data (112A) and the compressed 3D data (112B), as compressed intraoral scan data (112), to one or more client devices (106).
H04N 19/597 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
H04N 19/61 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
The present disclosure relates to an intraoral scanning system (102) that is configured to generate an overlay of correlated 2D inner geometry features on a 3D surface model for dental objects. The system is configured to receive visible light information (128) and IR information (130) from one or more sensors and generate a 3D surface model (118) of a dental object (!46) based on the visible light information and generate a plurality of 2D internal feature images (302, 306, 310, 314) based on the visible light information and the IR information, process the plurality of 2D internal feature images to correlate the 2D inner geometry features of the dental object with at least one reference frame (712) of the dental object in the 3D surface model; and output an overlay (120) of the correlated 2D inner geometry features of the dental object on the 3D surface model. The plurality of 2D internal feature images indicates 2D inner geometry features for the dental object.
The present disclosure relates to a 3D scanner system comprising an intraoral scanner comprising: an elongated housing comprising a distal end for being inserted into an oral cavity, wherein the housing comprises an aperture in a sidewall of the distal end of the housing; and a window arranged in the aperture of the housing; and/or a sleeve mounted on the outside of the elongated housing; the 3D scanner system further comprising one or more processors operatively connected to the intraoral scanner, said processors configured to receive one or more two-dimensional images comprising a plurality of pattern features, wherein the images comprises one or more artifacts arising from reflections from the window and/or sleeve; and provide the two-dimensional image(s) as input to a parameterized model trained to determine the position of at least a subset of the pattern features in the image(s), while suppressing or ignoring the artifacts.
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Downloadable computer software for use in the field of
dentistry, namely, for use in scanning, measuring and
automated documentation of changes in patients' dentition
over time; downloadable computer software for use in
dentistry, namely, for AI assistive detection and visual
monitoring of surface caries, tooth wear, gingival
recession, plaque, and proximal caries and for enabling the
monitoring and automated documentation of changes in
patients' dentition over time; downloadable computer
software applications for enabling patients to access the
documentation of the status of their dentition and the
changes in their dentition over time; downloadable mobile
applications for retrieving and displaying dental health
information. Software as a service (SaaS) featuring software for use in
the field of dentistry, namely, for use in scanning,
measuring and automated documentation of changes in
patients' dentition over time; software as a service (SaaS)
featuring software for use in dentistry, namely, for AI
assistive detection and visual monitoring of surface caries,
tooth wear, gingival recession, plaque, and proximal caries
and for enabling the monitoring and automated documentation
of changes in patients' dentition over time.
21.
AUTOMATIC ASSESMENT OF SOFT TISSUE RECESSION IN AN ORAL CAVITY
The disclosure generally relates to a computer-implemented method for determining a health state of soft tissue in an oral cavity. In more detail, the method may utilize a trained machine learning model that has been trained on the basis of annotated ground truth data to determine a measure for soft tissue recession in an oral cavity.
G16H 50/20 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for computer-aided diagnosis, e.g. based on medical expert systems
G16H 30/40 - ICT specially adapted for the handling or processing of medical images for processing medical images, e.g. editing
A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
A61B 5/107 - Measuring physical dimensions, e.g. size of the entire body or parts thereof
G01B 11/25 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. moiré fringes, on the object
23.
METHOD FOR GENERATING DENTAL MODELS BASED ON AN OBJECTIVE FUNCTION
Disclosed is a computer-implemented method of generating a dental model based on an objective function output, including creating an objective function including at least one quality estimation function which trains at least one machine learning method that generates quality estimation output, and an objective function output is the output of the objective function providing a model as an input data to the objective function and generating model-related objective function output; and modifying the model based on the model-related objective function output to transform the model to a generated model, wherein the generated model is the dental model.
Diagnostic and dental apparatus and instruments; optical and x-ray scanners for diagnostic, dental, odontologic, orthodontic purposes and for dentistry; scanners for intra-oral optical dental purposes; dental optical coherence tomography (OCT) scanners; intraoral scanners for use in the detection and visual monitoring of surface caries, tooth wear, gingival recession, plaque, and proximal caries.
25.
METHOD, DEVICE AND SYSTEM FOR CORRELATING AT LEAST ONE ADDITIONAL 2D-IMAGE TO A 3D-REPRESENTATION OF AT LEAST A PART OF TOOTH
The present disclosure provides a computer-implemented method for correlating at least one infrared 2D-image to a 3D-representation of at least a part of a tooth displayed in a graphical user-interface, of a hand-held scanning device, on a screen, including the steps of: obtaining a first set of 2D-images of the at least part of the tooth; forming a 3D-representation of the at least a part of the tooth from the first set of 2D-images; displaying, in the graphical user-interface, the 3D-representation; obtaining a second set of 2D-images, wherein the second set of 2D images are infrared 2D-images acquired within the at least part of the tooth; displaying, in the user-interface, at least one of the 2D-images from the second set of 2D-images; displaying, in the user-interface, a manipulator configured to change between 2D-images in the second set of 2D-images.
An intraoral scanner system (100) includes a handheld intraoral scanner (101) configured to obtain light information reflected from a dental object (108) inside an oral cavity through a field-of-view (105) of the handheld intraoral scanner (101), one or more processors configured to process the light information and to generate a digital 3D model (103) of the dental object (108) based on the processed light information, and a graphical user interface (102) configured to display the digital 3D model (103). The one or more processors are configured to display in real-time and on the graphical user interface (102) a field-of-view frame (104) representing a position of the field-of-view (105) of the handheld intraoral scanner (101) and generate a correction feedback signal that corresponds to the field-of-view frame (104), and wherein the correction feedback signal includes a suggested correction of the position of the field-of-view (105) of the handheld intraoral scanner (101).
A61B 1/24 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressorsInstruments for opening or keeping open the mouth
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Downloadable computer software for use in the field of dentistry, namely, for use in scanning, measuring and automated documentation of changes in patients' dentition over time; downloadable computer software for use in dentistry, namely, for AI assistive detection and visual monitoring of surface caries, tooth wear, gingival recession, plaque, and proximal caries and for enabling the monitoring and automated documentation of changes in patients' dentition over time; downloadable computer software applications for enabling patients to access the documentation of the status of their dentition and the changes in their dentition over time; downloadable mobile applications for retrieving and displaying dental health information. Software as a service (SaaS) featuring software for use in the field of dentistry, namely, for use in scanning, measuring and automated documentation of changes in patients' dentition over time; software as a service (SaaS) featuring software for use in dentistry, namely, for AI assistive detection and visual monitoring of surface caries, tooth wear, gingival recession, plaque, and proximal caries and for enabling the monitoring and automated documentation of changes in patients' dentition over time.
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Downloadable computer software for use in the field of dentistry, namely, for use in scanning, measuring and automated documentation of changes in patients’ dentition over time; downloadable computer software for use in dentistry, namely, for AI assistive detection and visual monitoring of surface caries, tooth wear, gingival recession, plaque, and proximal caries and for enabling the monitoring and automated documentation of changes in patients’ dentition over time; downloadable computer software applications for enabling patients to access the documentation of the status of their dentition and the changes in their dentition over time; downloadable mobile applications for retrieving and displaying dental health information. Software as a service (SaaS) featuring software for use in the field of dentistry, namely, for use in scanning, measuring and automated documentation of changes in patients’ dentition over time; Software as a service (SaaS) featuring software for use in dentistry, namely, for AI assistive detection and visual monitoring of surface caries, tooth wear, gingival recession, plaque, and proximal caries and for enabling the monitoring and automated documentation of changes in patients’ dentition over time.
29.
Systems And Methods For Designing A Dental Prosthesis
The present disclosure relates to a computer-implemented method for designing a dental prosthesis. A first step of the method may be to obtain a digital 3D representation of a surface, the surface including at least a part of a preparation surface adapted to receive the dental prosthesis, wherein the preparation surface includes a visible part and a hidden part. A second step of the method may be to determine at least one part of a surface of the dental prosthesis using a statistical design model, wherein the at least one part is determined independent of any knowledge or estimate of the hidden part of the preparation surface. A final step of the method may be to design the dental prosthesis wherein the surface of the dental prosthesis includes the at least one part.
G06F 30/27 - Design optimisation, verification or simulation using machine learning, e.g. artificial intelligence, neural networks, support vector machines [SVM] or training a model
Disclosed are a scanner system and a method for recording surface geometry and surface color of an object where both surface geometry information and surface color information fora block of the image sensor pixels at least partly from one 2D image recorded by the color image sensor. A particular application is within dentistry, particularly for intraoral scanning.
G01B 11/24 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
G01B 11/25 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. moiré fringes, on the object
42 - Scientific, technological and industrial services, research and design
Goods & Services
Providing temporary use of non-downloadable cloud-based
automated software for use in digital evaluation, design and
manufacturing of custom in-ear pieces.
The present disclosure relates to a 3D scanner system comprising an intraoral scanner comprising: a housing and a transparent window located in the distal end of said housing, wherein the transparent window comprises a pattern of fiducial markers arranged in a predefined arrangement. The intraoral scanner further comprising two or more scan units located in the housing, each scan unit comprising one or more camera units configured for acquiring a set of images, wherein at least a part of the pattern of fiducial markers is imaged by the camera unit(s); and one or more processors configured for comparing the imaged pattern of fiducial markers to the predefined arrangement, whereby a difference may be determined; determining whether a geometric relationship between the scan units and/or the camera units has changed based on the difference; and correcting the geometric relationship in a geometric model of the intraoral scanner based on the difference, whereby the scanner is calibrated.
G01B 11/25 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. moiré fringes, on the object
G01B 21/04 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness by measuring coordinates of points
G06T 7/70 - Determining position or orientation of objects or cameras
The present disclosure provides a wireless scanning device, including a scanning housing, including an image detector configured for acquiring 2D-images at a first 2D-frame-rate; and one or more processor(s) coupled to the image detector such that the 2D-images can be processed by the processor(s) to form processed data; a wireless module being coupled to the processor(s) such that the wireless module receives the processed data from the processor(s) and wirelessly transmits the processed data.
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
A61B 1/227 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for ears, i.e. otoscopes
A61B 1/24 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressorsInstruments for opening or keeping open the mouth
42 - Scientific, technological and industrial services, research and design
Goods & Services
Providing temporary use of non-downloadable cloud-based automated software for use in digital evaluation, design and manufacturing of custom in-ear pieces, namely, hearing aids, noise protection ear plugs and ear buds, pressure compensating ear plugs and ear buds, ear buds and ear plugs for sleeping, waterproof ear plugs and ear buds, in-ear monitors, in-ear headphones, and in-ear communication headsets
35.
SYSTEMS AND METHODS FOR STREAMING VIDEO FROM A SCANNING SESSION
The present disclosure relates to a dental scanning system for acquiring scan data of a physical three-dimensional dental object during a scanning session. The dental scanning system includes a scanning device and a first processing device for generating a 3D model. The dental scanning system may further include one or more second processing devices for rendering and/or displaying the 3D model. The dental scanning system is preferably suitable for continuously acquiring, processing, and transmitting images such that a video is streamed during the scanning session. The disclosure further relates to methods related to e.g. transmitting digital images in real-time during a scanning session to one or more external processing devices, and methods for generating a digital three-dimensional (3D) model of a dental object and displaying said 3D model remotely in real-time.
G16H 40/67 - ICT specially adapted for the management or administration of healthcare resources or facilitiesICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for remote operation
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
A61B 1/24 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressorsInstruments for opening or keeping open the mouth
A61C 13/34 - Making or working of models, e.g. preliminary castings, trial denturesDowel pins
The present disclosure relates to an intraoral scanning system for providing enhanced internal structure information of teeth by determining a composed scan information. The intraoral scanning system may be configured to provide a composed scan data based on captured visible light information and internal light information. The system may include a handheld intraoral scanning device that includes a projector unit configured to emit light with different wavelengths during time periods onto at least a dental arch, wherein the different wavelengths include at least a near-infrared wavelength and at least a visible wavelength. The handheld intraoral scanning device may further include an image sensor unit configured to capture visible light information and internal light information from at least the dental arch caused by the emitted light at the different wavelengths. The system may further comprise one or more processors operably connected to the image sensor unit, the one or more processors is configured to receive the visible light information and the internal light information, determine, in real time, surface information from the visible light information for generating or updating a three-dimensional (3D) model of the dental arch using the surface information, determine internal structure information of the dental arch from the internal light information, and determine composed scan information including a composition of the internal structure information and the visible light information.
The present disclosure relates to an intraoral scanning system that is configured to determine 3D data of a dental object in an oral cavity. The intraoral scanning system comprising a handheld intraoral scanner, including; a projector unit configured to emit visible light and infrared light, a filter unit configured to receive visible light signals and infrared light signals from at least the dental object caused by the emitted visible light and the emitted infrared light, respectively, and wherein the filter unit is configured to transmit filtered visible light signals and combined filtered light signals, wherein the combined filtered light signals include a combination of a first color light of the visible light signals and infrared light of the infrared light signals, and wherein the filter unit comprising: a plurality of single-color channels configured to output the filtered visible light signals, and a plurality of combined-color channels configured to output the combined filtered light signals. The system further comprises an image sensor unit configured to acquire the filtered visible light signals and the combined filtered light signals, and one or more processors configured to: determine an infrared signal based on a subtraction of the combined filtered light signals with one or more color lights of the filtered visible light signals, and determine the 3D data of the dental object based on at least the filtered visible light signals.
G01B 11/25 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. moiré fringes, on the object
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
The present disclosure relates an intraoral scanning system that is configured to determine a three-dimensional graphical representation of a dental object. The system may comprise a handheld intraoral scanner configured to provide non-visible 2D images and visible sub- scans of a dental object; and one or more processors configured to determine point clouds of the non-visible 2D images and the visible sub-scans, determine a 3D finite element mesh and align the point clouds to the 3D finite element mesh, wherein the 3D finite element mesh includes a plurality of finite elements, and wherein each of the plurality of finite elements includes multiple vertices, determine one or more optical coefficients for each of the plurality of vertices, and wherein the one or more optical coefficients correspond to a dental feature represented by the aligned point clouds; determine a triangle mesh representation of the aligned point clouds that correspond to the visible sub-scans, and wherein the triangle mesh representation includes triangle arranged vertices of the plurality of vertices, determine a tetrahedral mesh representation of the aligned point clouds that correspond to the non-visible 2D images, and wherein the tetrahedral mesh representation includes tetrahedral arranged vertices of the plurality of vertices, and wherein the 3D graphical representation is determined based on the triangle mesh representation and the tetrahedral mesh representation.
A 3D scanner system for detecting and/or visualizing cariogenic regions in teeth based on fluorescence emitted from the teeth, the 3D scanner system including data processing means configured for mapping a representation of fluorescence emitted from the teeth onto the corresponding portion of a digital 3D representation of the teeth to provide a combined digital 3D representation.
The present disclosure relates to an intraoral scanning system configured to determine 3D data of a dental object in an oral cavity. The intraoral scanning system may comprise an intraoral scanner, including; a projector unit configured to emit visible light and infrared light during a scan sequence, an image sensor unit configured to acquire the visible light signals and infrared signals from at least the dental object caused by the emitted visible light and the emitted infrared light, respectively, and one or more processors configured to: control a power of the projector unit such that a first power level of the emitted infrared light during a first time period of the scan sequence is lower than a second power level of the emitted infrared light during a second time period of the scan sequence, and determine 3D data based on the acquired visible light signals during the first time period and to determine an inner region of the dental object based on the acquired infrared signals during the second time period.
G01B 11/25 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. moiré fringes, on the object
An intraoral scanning system (102) including hand-held intraoral scanner (104), processors (106) and continuous volumetric ML model (108) for generating 3D inner geometry (120) of teeth (306) is provided. Intraoral scanner comprises sensors (214D) to detect NIR and visible light. The processors receive visible light and NIR information from the sensors, generate 3D surface model (118) of the teeth using visible light information, and determine input parameters for the continuous volumetric ML model by capturing 2D NIR images (114) of an internal region of the teeth from the NIR information. Each of the NIR images includes pixels (722) having a casting object. The input parameters comprise spatial location and viewing angle, and the casting object comprises point coordinates (726, 732). The continuous volumetric ML model processes the input parameters to determine an intensity value and a density value of pixels in 3D inner geometry of the 3D surface model.
G01B 11/25 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. moiré fringes, on the object
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
42 - Scientific, technological and industrial services, research and design
Goods & Services
Providing temporary use of non-downloadable cloud-based automated software for use in digital evaluation, design and manufacturing of custom in-ear pieces.
According to an embodiment a computer-implemented method for detecting dental plaque on a digital 3D model (101) of a dental situation is disclosed. The method comprises receiving, by a processor, the digital 3D model (101) of the dental situation, providing at least a part of the digital 3D model (101) as an input (601) to a trained neural network (600), wherein the at least part of the digital 3D model (101) comprises natural color information and/or geometric information associated with at least one tooth surface of the dental situation. The geometric information comprises a curvature information, a facet normal information, a depth information relating to a virtual camera position and/or an angle between a facet normal and a virtual camera direction. Further, the method comprises obtaining an output (605) from the trained neural network (600) based on the provided input (610), wherein the output (605) comprises a dental plaque parameter associated with the at least one tooth surface, assigning the dental plaque parameter to the at least part of the digital 3D model (101) and displaying the digital 3D model (101) with the dental plaque parameter assigned to the at least part of the digital 3D model (101).
A computer-implemented method for detecting dental plaque on a digital 3D model (101) of a dental situation is disclosed. The method comprises receiving, by a processor, at least a part of the digital 3D model (101) of the dental situation, wherein the at least part of the digital 3D model (101) comprises fluorescence information associated with fluorescence emitted from dental plaque present on teeth of the dental situation. The fluorescence information comprises a red (R) fluorescence signal value and a green (G) fluorescence signal value of at least one unit element of the at least part of the digital 3D model (101). Further, the method comprises detecting a dental plaque parameter (301) on the at least part of the digital 3D model (101) based on the fluorescence information, wherein the dental plaque parameter (301) represents pathogenic plaque present on teeth of the dental situation. Detecting the dental plaque parameter (301) comprises computing a function of the red (R) fluorescence signal value and the green (G) fluorescence signal value for the at least one unit element of the at least part of the digital 3D model (101). Additionally, the method comprises displaying the at least part of the digital 3D model and the detected dental plaque parameter (301).
According to an embodiment, a handheld intraoral scanner system is disclosed. The handheld intraoral scanner system comprises a handheld intraoral scanner and a detachable sleeve configured to be detachably attached to a scan tip of the handheld intraoral scanner. The detachable sleeve comprises a cover part and a window part. The window part comprises a tapered portion. The window part may be injection molded. The detachable sleeve may be formed by two-component injection molding the cover part and the window part. The window part comprises an optical area having a lower birefringence than a relief area located at the tapered portion and comprising an injection site at which a first molten polymer material was injected into a first form, forming the window part. According to an embodiment, a method for injection molding a window part for a detachable sleeve that further comprises a cover part and that is configured to be detachably attached to a handheld intraoral scanner is provided. The method may further comprise two-component injection molding the cover part and the window part together, thereby forming the detachable sleeve.
The present disclosure relates to an intraoral 3D scanner comprising at least one projector unit comprising a light source configured for emitting light; and a pattern generating element configured for generating a pattern of light to be projected onto a surface of an object; wherein the scanner further comprises one or more camera units, operatively coupled to the projector unit, each camera unit comprising an image sensor for capturing one or more image frames, wherein the image sensor comprises a two-dimensional array of pixels arranged in rows and columns, wherein the image sensor is configured for capturing a given image frame by sequentially exposing individual rows within the two-dimensional array of pixels, wherein each row is exposed for a predefined exposure time; wherein the scanner is configured for sequentially switching the light source on and off at a predefined frequency, wherein the light source is turned on for a predefined duration during which all rows are exposed simultaneously.
G01B 11/25 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. moiré fringes, on the object
According to an embodiment, an intraoral scanner system comprising a handheld intraoral scanner, one or more processors, and a graphical user interface is disclosed. The one or more processors is configured to change an appearance of a digital movable item displayed in the graphical user interface, to reflect an instruction to modify an orientation or design of a digital 3D model of a dental object displayed in the graphical user interface, comprised in a digital element of one or more digital elements displayed in the graphical user interface, when the digital movable item is positioned over the digital element of the one or more digital elements. According to an embodiment, a method is provided for performing the change of the appearance of the digital movable item.
G01B 11/25 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. moiré fringes, on the object
The present disclosure relates to a dental scanning system for generating a digital three-dimensional representation of a dental object, the system comprising an intraoral scanning device comprising one or more projector units configured to project a pattern on a surface of the dental object; and two or more cameras configured to acquire one or more sets of images; wherein the scanning system further comprises one or more processors configured to determine one or more image features within each set of images; solve a correspondence problem within each set of images such that points in 3D space are determined based on the image features, wherein said points form a solution to the correspondence problem, wherein the correspondence problem is solved for groups of pattern features; and generate a digital three-dimensional representation of the dental object, wherein the solution to the correspondence problem is used to generate the three-dimensional representation.
A 3D scanner system includes a scanning device capable of recording first and second data sets of a surface of an object when operating in a first configuration and a second configuration, respectively. A measurement unit is configured for measuring a distance from the scanning device to the surface. A control controls an operation of the scanning device based on the distance measured by the measurement unit, where the scanning device operates in the first configuration when the measured distance is within a first range of distances from the surface and the scanning device operates in the second configuration when the measured distance is within a second range of distances; and a data processor is configured to combine one or more first data sets and one or more second data sets to create a combined virtual 3D model of the object surface.
G01B 21/18 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring depth
G01B 11/24 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
G01B 11/245 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures using a plurality of fixed, simultaneously operating transducers
G01B 11/25 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. moiré fringes, on the object
G01S 17/894 - 3D imaging with simultaneous measurement of time-of-flight at a 2D array of receiver pixels, e.g. time-of-flight cameras or flash lidar
H04N 1/00 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmissionDetails thereof
H04N 13/25 - Image signal generators using stereoscopic image cameras using two or more image sensors with different characteristics other than in their location or field of view, e.g. having different resolutions or colour pickup characteristicsImage signal generators using stereoscopic image cameras using image signals from one sensor to control the characteristics of another sensor
51.
SYSTEM AND METHOD FOR IMPROVING A DIGITAL 3D SURFACE
The present disclosure relates to a system and method for enhancing or refining the accuracy and/or detail level of a 3D surface based on pixel data, such as color data of the pixels, from a set of images. In particular, the present disclosure relates to a 3D scanner system comprising an intraoral 3D scanner comprising: a projector unit comprising a light source and a pattern generating element for structuring light from the light source into a pattern to be projected onto a surface of an object; and two or more cameras configured for acquiring a set of images, wherein the set of images comprises an image from each camera, wherein each image comprises an array of pixels, each pixel having a pixel color; the scanner system further comprising one or more processors operatively connected to the intraoral 3D scanner, said processors configured for: generating a three-dimensional (3D) surface of the object based on the set of images obtained from the cameras, wherein the 3D surface comprises a plurality of points and/or vertices; and generating a refined 3D surface by solving an optimization problem, wherein points and/or vertices in the 3D surface are repositioned such that, for each point or vertex, a metric based on the difference in the pixel colors associated with that point or vertex, is minimized.
The present disclosure relates generally to a compact intraoral 3D-scanner. More specifically, the present disclosure relates to the field of satisfying a condition for a compact intraoral 3D-scanner, particularly such that intraoral 3D-scanning is optimally performed. The present disclosure relates further to a method of optimizing a compact intraoral 3D-scanner.
G02B 7/09 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
G02B 13/24 - Optical objectives specially designed for the purposes specified below for reproducing or copying at short object distances
A 3D scanner for recording the 3D topography of an object, the 3D scanner including: a projector unit configured for projecting a structured beam of probe light onto the object; an imaging unit arranged to acquire 2D images of the object when the object is illuminated by the structured probe light beam; and an actuator unit arranged to control the position of the structured probe light beam at the object by rotating a movable portion of the projector unit around a pivoting axis, the actuator unit including a rotation motor including or arranged to drive a wheel, where the surface of the wheel operatively coupled to the movable portion of the projector unit has a radial distance from the axis of the rotation motor which changes with the rotation.
G01B 11/25 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. moiré fringes, on the object
G02B 30/60 - Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images involving reflecting prisms and mirrors only
H04N 1/00 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmissionDetails thereof
Disclosed is a 3D scanning system and a method for using such a system, where a handheld scanner of the 3D scanner system is used to control the operation mode of the system such that the user does not need to engage an external unit e.g. during a scanning procedure in which the teeth in a patient's upper and lower jaws are scanned.
A61B 1/24 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressorsInstruments for opening or keeping open the mouth
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
G06F 3/0346 - Pointing devices displaced or positioned by the userAccessories therefor with detection of the device orientation or free movement in a 3D space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors
G06F 3/0482 - Interaction with lists of selectable items, e.g. menus
G06F 3/04842 - Selection of displayed objects or displayed text elements
G06F 3/04883 - Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
Scan tips for diagnostic and dental apparatus and
instruments; scan tips for optical and x-ray scanners for
diagnostic, dental, odontologic, orthodontic purposes and
for dentistry; scan tips for intra-oral optical dental
purposes; scan tips for dental optical coherence tomography
(OCT) scanners.
58.
A METHOD AND SYSTEM FOR DESIGNING AND DISPLAYING VIRTUAL MODELS OF CUSTOM EAR DEVICES
According to an embodiment, a method for designing of one or more virtual models of custom ear devices according to configuration requirements from a user input and according to component and/or material information that are associated with components and/or materials of a target product is provided. The method may comprise steps for displaying the designed one or more virtual models of custom ear devices together with meta data that comprise information on the designed one or more custom ear device's compatibility with the configuration requirements and the contained components. According to an embodiment, a computer-readable storage medium or computer program is provided, comprising commands, which when executed by a computer, causes the computer to execute and perform the method for designing and displaying the one or more virtual models of custom ear devices. According to an embodiment, a system for determining one or more virtual models of custom ear devices is further disclosed. The system may further be configured to display the determined one or more virtual models of custom ear devices together with associated meta data on a graphical user interface.
G06F 30/12 - Geometric CAD characterised by design entry means specially adapted for CAD, e.g. graphical user interfaces [GUI] specially adapted for CAD
G06F 30/27 - Design optimisation, verification or simulation using machine learning, e.g. artificial intelligence, neural networks, support vector machines [SVM] or training a model
Described herein is a computer-implemented method for constructing in the form of designing in a virtual environment a custom ear device in an automated process utilizing a trained neural network. The computer-implemented method described is configured to allow for changing the output form the neural network to create change to an automatic generated custom ear device design. Furthermore, described herein is a system utilizing a processor running the method described herein to automatically generate virtually constructed custom ear devices that may be modified to adjust for any incorrect outputs generated by a neural network.
G06F 30/12 - Geometric CAD characterised by design entry means specially adapted for CAD, e.g. graphical user interfaces [GUI] specially adapted for CAD
A61F 11/08 - Protective devices for the ears internal, e.g. earplugs
G06F 30/27 - Design optimisation, verification or simulation using machine learning, e.g. artificial intelligence, neural networks, support vector machines [SVM] or training a model
The disclosure relates to an extraoral scanner system for determining a 3D geometry of at least a part of the surface of a dental object in an oral cavity: at least one camera accommodating an array of sensor elements; a pattern generator configured to generate, using a light source of the extraoral scanner system, a probe light with a plurality of configurations in the form of an illumination pattern; an optical system configured to transmit the probe light towards the dental object along a first optical path of the optical system thereby illuminating at least a part of the dental object with the illumination pattern, and to transmit at least a part of the light returned from the dental object to the at least one camera to form a plurality of 2D dental data, an intraoral mirror device configured to reflect the probe light towards the dental object along a second optical path between the intraoral mirror device and the at least one camera, and to transmit at least a part of the light returned from the dental object via the second optical path to the at least one camera to form a plurality of 2D mirror dental data, and one or more processors configured to determine the 3D geometry of at least a part of the surface of the dental object based on the plurality of 2D dental data and the plurality of 2D mirror dental data and the illumination pattern.
A61B 90/00 - Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups , e.g. for luxation treatment or for protecting wound edges
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
The present disclosure relates to an optical system for an intraoral scanner, comprising: at least one projector unit comprising: a light source for generating light; a pattern generating element configured for generating a pattern of light to be projected on a surface an object; and one or more projector focus lenses for focusing the pattern of light, wherein the projector focus lenses define a projector optical axis; and an aperture having a predetermined size. The optical system further comprises one or more camera units, each camera unit comprising: an image sensor for acquiring one or more image(s), wherein the resolution of the image sensor is at least 0.25 megapixel; and one or more camera focus lenses for focusing light received from the surface of the object onto the image sensor, wherein the camera focus lenses define a projector optical axis; wherein the projector optical axis and the camera optical axis are non-parallel. The present disclosure further relates to an intraoral scanner comprising such an optical system.
G01B 11/25 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. moiré fringes, on the object
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
According to an embodiment, a handheld intraoral scanner system is disclosed. The handheld intraoral scanner system comprises a handheld intraoral scanner configured to acquire light information reflected from a three-dimensional dental object during a scanning session and further comprises one or more processors operably connected to the handheld intraoral scanner device. The one or more processors are configured to determine a position of a 2D image of a dental object relative to a virtual 3D model of the dental object using a first-, a second-, and a third neural network, and an algorithm. The one or more processors is further configured to superimposition the 2D image of the dental object on a corresponding dental object of the virtual 3D model, or vice versa. The one or more processors is further configured to display the superimposed 2D image on the virtual 3D model, or vice versa, on a display. The one or more processors is further configured to display diagnostics and/or health information from the 2D image and the virtual 3D model. According to an embodiment, a method for superimposing a 2D image of a dental object on a virtual 3D model of the dental object, or vice versa, is further disclosed.
A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
A61B 5/107 - Measuring physical dimensions, e.g. size of the entire body or parts thereof
G01B 11/25 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. moiré fringes, on the object
64.
Integration for Local Manufacturing of Dental Products
A method for manufacturing a dental component in a dental clinic or laboratory, the method including setting up one or more manufacturing machines for usage by a clinical computer over a computer network; designing, in a design software application on the clinical computer, the dental component to be manufactured; receiving, on the clinical computer, a status message from the one or more manufacturing machines indicating a status of the manufacturing machine(s); responsive to the status message(s), selecting a manufacturing machine for manufacturing the dental component; and sending the designed dental component from the clinical computer to the selected manufacturing machine over the computer network.
A computer-implemented method for detecting tooth wear on a virtual 3D model of a dental situation is disclosed. The method comprises receiving, by a processor, the virtual 3D model of the dental situation, obtaining a segmented 3D model by segmenting the virtual 3D model into a plurality of individual teeth and gingiva, wherein the segmented 3D model comprises a tooth, encoding the tooth from the segmented 3D model into a latent space of a trained neural network to obtain an encoded tooth representation, wherein the latent space of the trained neural network is continuous and comprises a plurality of clusters of encoded reference teeth representations, wherein each cluster from the plurality of clusters of encoded reference teeth representations is representative of a tooth wear type. Further, the method comprises comparing the encoded tooth representation to each cluster from the plurality of clusters of encoded reference teeth representations to determine a cluster comprising the encoded tooth representation, and assigning the tooth wear type to the tooth based on the determined cluster. The method further comprises displaying the tooth with the assigned tooth wear type.
A computer-implemented method for detecting tooth wear on a virtual 3D model (101) of a dental situation is disclosed. The method comprises receiving, by a processor, the virtual 3D model (101) of the dental situation, obtaining a segmented 3D model by segmenting the virtual 3D model (101) into a plurality of individual teeth and gingiva, wherein the segmented 3D model comprises a tooth (102) characterized by an age parameter. Further, the method comprises encoding the tooth (102) from the segmented 3D model into a latent space (302) of a trained neural network (300) to obtain an encoded tooth representation, wherein the latent space (302) of the trained neural network (300) is continuous and comprises a plurality of clusters of encoded reference teeth representations, wherein the encoded reference teeth representations are clustered according to their corresponding reference teeth age parameters. Further, the method comprises obtaining an estimated age parameter of the tooth (102) by identifying a cluster of encoded reference teeth representations from the plurality of clusters of encoded reference teeth representations comprising the encoded tooth representation, comparing the estimated age parameter of the tooth (102) with the age parameter of the tooth (102) and detecting tooth wear presence on the tooth (102) based on the comparing step. The virtual 3D model and detected tooth wear presence on the tooth (102) is displayed.
A scanning system for generating a three-dimensional (3D) representation of an object includes: an intraoral scanning device including one or more projector units configured to project a pattern on a surface of the object; two or more camera units configured to acquire a set of images including at least one image from each camera unit, wherein each image is composed of an array of pixels, wherein each pixel includes a pixel color defined by one or more color channels; wherein the scanning system further includes one or more processors configured for: determining points in three-dimensional (3D) space that form a solution to a correspondence problem associated with the set of images, wherein the points are determined by comparing pixel colors with computed colors associated with camera rays corresponding to each pixel; and generating the three-dimensional (3D) representation based on the determined 3D points.
A61B 1/24 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressorsInstruments for opening or keeping open the mouth
A61C 13/34 - Making or working of models, e.g. preliminary castings, trial denturesDowel pins
Scan tips for diagnostic and dental apparatus and instruments; scan tips for optical and x-ray scanners for diagnostic, dental, odontologic, orthodontic purposes and for dentistry; scan tips for intra-oral optical dental purposes; scan tips for dental optical coherence tomography (OCT) scanners.
A virtual venue for dental products is described including the creating of product-specific catalogs by receiving standardized information from two or more labs which create the dental products. The virtual venue may recommend certain products to labs based upon various attributes. The virtual venue may add to a workflow generating a case so as to meet the attributes of a preferred lab.
An intraoral scanning system (102) including a handheld intraoral scanning device (104) and one or more client devices (106) is provided. The handheld intraoral scanning device (104) captures a plurality of two-dimensional (2D) scan images (110) during a scanning session of a dental arch (506). The handheld intraoral scanning device (104) provides three-dimensional (3D) surface information (510) based on the plurality of 2D scan images (110). The handheld intraoral scanning device (104) establishes a connection to one or more wireless full-duplex communication channels. The one or more client devices (106) establishes a connection to one of the one or more wireless full-duplex communication channels by forwarding an identification number to the handheld intraoral scanning device (104). The one or more client devices (106) receives the 3D surface information (510), and render the 3D surface information (510) into an interactive 3D graphical representation (112).
G16H 30/40 - ICT specially adapted for the handling or processing of medical images for processing medical images, e.g. editing
G16H 30/20 - ICT specially adapted for the handling or processing of medical images for handling medical images, e.g. DICOM, HL7 or PACS
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
G16H 40/63 - ICT specially adapted for the management or administration of healthcare resources or facilitiesICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for local operation
G16H 40/67 - ICT specially adapted for the management or administration of healthcare resources or facilitiesICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for remote operation
H04L 1/1829 - Arrangements specially adapted for the receiver end
H04N 21/00 - Selective content distribution, e.g. interactive television or video on demand [VOD]
A method for generating a digital 3D representation of at least a part of an intraoral cavity, the method including recording a plurality of views containing surface data representing at least the geometry of surface points of the part of the intraoral cavity using an intraoral scanner; determining a weight for each surface point at least partly based on scores that are measures of belief of that surface point representing a particular type of surface; executing a stitching algorithm that performs weighted stitching of the surface points in said plurality of views to generate the digital 3D representation based on the determined weights; wherein the scores for the surface points are found by at least one score-finding algorithm that takes as input at least the geometry part of the surface data for that surface point and surface data for points in a neighbourhood of that surface point.
A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
A61B 5/107 - Measuring physical dimensions, e.g. size of the entire body or parts thereof
G01B 11/25 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. moiré fringes, on the object
73.
Method for providing a dental prosthesis and a positioning guide for placing the dental prosthesis
Disclosed herein is method for designing a dental prosthesis and a positioning guide for placing the dental prosthesis on implants in the jaw while maintain proper occlusion. In particular the method relates to a method for designing the dental prosthesis and the positioning guide prior to implant placement. Accordingly, the disclosure relates to a method and a kit of components suited for one-day implant surgery thereby reducing the time the patient spend in the dentist chair.
The present disclosure relates to an intraoral scanning system comprising a handheld intraoral scanning device that includes a projector unit configured to emit light with different wavelengths including at least a near-infrared wavelength and at least a visible wavelength, an image sensor unit configured to capture visible light information and internal light information from at least the dental arch caused by the emitted light at the different wavelengths. One or more processors is configured to receive the visible light information and the internal light information, determine, in real time, surface information from the visible light information for generating or updating a three-dimensional (3D) model of the dental arch using the surface information, determine internal structure information of the dental arch from the internal light information, and determine composed scan information including a composition of the internal structure information and the visible light information.
A computer-implemented method for detecting tooth wear on a virtual 3D model (101) of a dental situation is disclosed. The method comprises receiving, by a processor, the virtual 3D model (101) of the dental situation. The method further comprises generating an input (301), from the virtual 3D model (101), for a trained neural network (300) for tooth wear detection, wherein the input (301) comprises at least one input element corresponding to at least a part of the virtual 3D model (101), the at least one input element comprising geometric information of the at least part of the virtual 3D model (101), wherein the geometric information of the at least part of the virtual 3D model (101) comprises curvature information. The method further comprises providing the input (301) to the trained neural network (300) and obtaining an output (305) from the trained neural network (300) based on the provided input (301), wherein the output (305) comprises at least one probability value, wherein the at least one probability value represents a likelihood that the at least one input element corresponds to a tooth wear class. Further, the method comprises assigning the tooth wear class to the at least one input element and registering tooth wear on the at least part of the virtual 3D model (101) based on the assigned tooth wear class to the at least one input element. The at least part of the virtual 3D model (101) is displayed with the registered tooth wear.
A61C 19/04 - Measuring instruments specially adapted for dentistry
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
G16H 40/63 - ICT specially adapted for the management or administration of healthcare resources or facilitiesICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for local operation
G16H 50/30 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for calculating health indicesICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for individual health risk assessment
G16H 50/50 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for simulation or modelling of medical disorders
76.
Method for generating objects using an hourglass predictor
A computer-implemented method for generating a 2D or 3D object, including training an autoencoder on a first set of training data to identify a first set of latent variables and generate a first set of output data; training an hourglass predictor on a second set of training data, where the hourglass predictor encoder converts a set of related but different training input data to a second set of latent variables, which decode into a second set of output data of the same type as the first set of output data; and using the hourglass predictor to predict a 2D or 3D object of the same type as the first set of output data based on a 2D or 3D object of the same type as the second set of input data.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
Disclosed is method, a user interface, a computer program product and a system for predicting future development of a dental condition of a patient's set of teeth, wherein the method comprises: —obtaining two or more digital 3D representations for the teeth recorded at different points in time; —deriving based on the obtained digital 3D representations a formula expressing the development of the dental condition in terms of at least one parameter as a function of time; and—predicting the future development of the condition based on the derived formula.
G16H 30/20 - ICT specially adapted for the handling or processing of medical images for handling medical images, e.g. DICOM, HL7 or PACS
G16H 50/50 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for simulation or modelling of medical disorders
The present disclosure relates to a computer-implemented method of aligning digital three-dimensional (3D) representations of an upper and lower jaw, the method comprising the steps of: generating a first digital 3D representation of the upper jaw and a second digital 3D representation of the lower jaw; inputting the first and second digital 3D representations to a first neural network configured to output a transformation for each 3D representation; applying the transformation to each of the first and second 3D representations, whereby transformed 3D representations are generated; inputting the transformed 3D representations to a second neural network configured to align the transformed 3D representations; and fine tuning the alignment such that the first and second 3D representations of the jaws are arranged in occlusion.
The present disclosure provides a computer-implemented method for correlating at least one infrared 2D-image to a 3D-representation of at least a part of a tooth displayed in a graphical user-interface, of a hand-held scanning device, on a screen, including the steps of: obtaining a first set of 2D-images of the at least part of the tooth; forming a 3D-representation of the at least a part of the tooth from the first set of 2D-images; displaying, in the graphical user-interface, the 3D-representation; obtaining a second set of 2D-images, wherein the second set of 2D images are infrared 2D-images acquired within the at least part of the tooth; displaying, in the user-interface, at least one of the 2D-images from the second set of 2D-images; displaying, in the user-interface, a manipulator configured to change between 2D-images in the second set of 2D-images.
The intraoral scanning system includes an intraoral scanning device configured to acquire light information reflected from a dental object and further includes one or more processors connected to the intraoral scanning device. The one or more processors are configured to determine, in real time, surface information from the light information, and generate a three-dimensional surface model of a dental object using the surface information. One or more remote computers includes a resource pool, wherein the system provides temporary access for the intraoral scanning device to one or more resources of the resource pool based on a predefined performance mode of the scanning session. Each of at least two predefined performance modes is configured to operate the intraoral scanning device with a different number of resources from the resource pool and/or with a different type of resources from the resource pool.
A61B 1/247 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressorsInstruments for opening or keeping open the mouth with means for viewing areas outside the direct line of sight, e.g. dentists' mirrors
G06T 15/00 - 3D [Three Dimensional] image rendering
G16H 40/20 - ICT specially adapted for the management or administration of healthcare resources or facilitiesICT specially adapted for the management or operation of medical equipment or devices for the management or administration of healthcare resources or facilities, e.g. managing hospital staff or surgery rooms
The present disclosure relates to a 3D scanner system for scanning the oral cavity of a patient. In particular, the disclosure relates to feedback mechanisms and user interfaces of intraoral scanners. In some embodiments, the 3D scanner system comprises an intraoral scanner comprising one or more reconfigurable buttons, wherein each reconfigurable button comprises a force sensor, such as a strain gauge sensor; and wherein the intraoral scanner further comprises a display configured for displaying one or more icons, texts, or animations, associated with the reconfigurable buttons, wherein the display covers the force sensors, and wherein the scanner system further comprises one or more processors configured to generate 3D scan data of at least a part of the dental arch.
A61B 1/24 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressorsInstruments for opening or keeping open the mouth
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
82.
Deriving tooth condition information for populating digital dental charts
Disclosed are methods and digital tools for deriving tooth condition information for a patient's teeth, for populating a digital dental chart with derived tooth condition information, and for generating an electronic data record containing such information.
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
A61B 5/103 - Measuring devices for testing the shape, pattern, size or movement of the body or parts thereof, for diagnostic purposes
A61B 6/51 - Apparatus or devices for radiation diagnosisApparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body partsApparatus or devices for radiation diagnosisApparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific clinical applications for dentistry
G16H 10/60 - ICT specially adapted for the handling or processing of patient-related medical or healthcare data for patient-specific data, e.g. for electronic patient records
G16H 30/40 - ICT specially adapted for the handling or processing of medical images for processing medical images, e.g. editing
G16H 50/20 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for computer-aided diagnosis, e.g. based on medical expert systems
A method for manufacturing/producing a dental restoration for a patient, where the method includes: obtaining a 3D scan of at least a restoration site of the patient's mouth, where the manufactured dental restoration is adapted for fitting to the restoration site; obtaining a computer-aided design (CAD design) of the dental restoration; milling the restoration from a material, where the restoration is milled both on an inside surface configured for fitting to the shape of the restoration site of the patient's mouth and on an outside surface, where the milling is according to the obtained CAD design; transferring the milled restoration to a retention means providing a fixed known position of the restoration relative to a post-processing machinery, where the restoration is retained on the inside surface, such that the outside surface of the restoration is approachable/free/accessible; and performing post-processing of the outside surface of the restoration.
Scan tips for diagnostic and dental apparatus and instruments; scan tips for optical and x-ray scanners for diagnostic, dental, odontologic, orthodontic purposes and for dentistry; scan tips for intra-oral optical dental purposes; scan tips for dental optical coherence tomography (OCT) scanners.
85.
AN INTRAORAL SCANNING DEVICE WITH A SUPPLY ASSEMBLY UNIT
According to an embodiment, an intraoral scanning device is disclosed. The device is configured to acquire intraoral scan data from a three-dimensional dental object. The intraoral scanning device includes: a projector unit configured to emit light at least onto the dental object of a patient, and wherein the projector unit includes one or more light sources; an image sensor configured to acquire reflected light from at least the dental object; a processing unit configured to process the acquired reflected light into 2D intraoral scan data and/or 3D intraoral scan data, a battery unit configured to supply a DC voltage, a supply assembly unit configured to receive the DC voltage and provide a supply voltage to the one or more light sources, and the supply assembly unit includes: a voltage up-converter configured to convert the DC voltage to a supply voltage, wherein the DC voltage is lower than the supply voltage, a voltage down-converter configured to convert the DC voltage to a supply voltage such that the DC voltage is higher than the supply voltage, a voltage controller unit configured to control the voltage up-converter and the voltage down-converter.
H02M 3/158 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
Disclosed is a computer implemented method for rendering interactive digital three-dimensional dental models of a patient in a graphical user interface, wherein the graphical user interface is configured with communication tools providing effective, clear and understandable communication to the patient being examined.
According to an embodiment, an intraoral scanning device is disclosed. The intraoral scanning device may include a processing unit configured to process intraoral scan data of a patient and provide 2D image data and/or 3D image data; a wireless interface configured to transmit the 2D image data and/or the 3D image data; a battery configured to power at least the processing unit and the wireless interface, and a housing configured to accommodate at least the processing unit, the wireless interface and at least partially the battery. The intraoral scanning device may further include a plurality of LEDs accommodated by the housing. The plurality of LEDs may be configured to emit light through a transparent part of the housing made of a material that is configured emit the light that passes through the material. The emitted light may indicate a status of the battery and/or the wireless interface, and/or indicate a mode of the intraoral scanning device.
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
A61B 1/24 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressorsInstruments for opening or keeping open the mouth
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
A method for validating a preparation of at least one tooth in a prepared set of teeth for determining whether the prepared tooth is capable of accepting a dental restoration includes obtaining a virtual dental preparation guide configured for validating the preparation of the at least one tooth; obtaining a digital 3D representation of the prepared set of teeth; visualizing the virtual dental preparation guide together with the digital 3D representation of the prepared set of teeth; and validating from the visualization of the virtual dental preparation guide together with the digital 3D representation of the prepared set of teeth whether the prepared at least one tooth is shaped such that it can accept the dental restoration.
A61C 1/08 - Machine parts specially adapted for dentistry
G16B 5/00 - ICT specially adapted for modelling or simulations in systems biology, e.g. gene-regulatory networks, protein interaction networks or metabolic networks
B29C 64/386 - Data acquisition or data processing for additive manufacturing
A computer implemented method for rendering digital three-dimensional dental models includes receiving a first digital 3D dental model including a first dental information of a patient; receiving a second digital 3D dental model including a second dental information of the patient; generating, in the digital 3D space, a superimposed model by superimposing one of the first digital 3D dental model or the second digital 3D dental model on another of the second digital 3D dental model or the first digital 3D dental model; and arranging a 2D controller and the superimposed model relative to each other such that a position of the 2D controller defines a boundary that demarcates the superimposed model between a first zone and a second zone.
A method and system for distributed storage and management of data may include storing a data abstract that includes one or more structured data entities, each including at least three node pairs. The first node pair including a hash of a first node in a second node pair, a unique identifier, a digital signature, and a data key. The first node of the second node pair including a hash a first node in a third node pair and a hash of the second node of the second node pair. The second node of the second node pair is encrypted with entity relation node key and includes a summary of data included in an encrypted data node and a data decryption key for the encrypted data node. The third node pair including the encrypted data node having data encrypted using the data encryption key, and an encrypted data file.
G06F 16/28 - Databases characterised by their database models, e.g. relational or object models
G06F 16/21 - Design, administration or maintenance of databases
G16H 10/60 - ICT specially adapted for the handling or processing of patient-related medical or healthcare data for patient-specific data, e.g. for electronic patient records
91.
METHOD OF MODIFYING THE GINGIVAL PART OF A VIRTUAL MODEL OF A SET OF TEETH
Disclosed is a method of generating and modifying a virtual model of a set of teeth, where the method provides that a restoration can be inserted into a physical model of the set of teeth manufactured from the virtual model of the set of teeth. A method of and a system for generating a virtual model of a set of teeth for manufacturing a physical model of the set of teeth, and to a physical model of a set of teeth.
According to an embodiment a computer-implemented method for tooth pose estimation is disclosed. The method comprises obtaining a virtual 3D representation (100) representing a patient's dentition, segmenting the virtual 3D representation (100) to obtain at least a first segmented tooth representation (101) and a second segmented tooth representation (105), wherein the at least first and second segmented tooth representation (101, 105) represent neighboring teeth in the patient's dentition. Furthermore, the method comprises determining an initial tooth pose (302) for the first segmented tooth representation (101) using a geometric parameter of the first segmented tooth representation (101) and a geometric parameter of the second segmented tooth representation (105). A normalized tooth representation (301) of the first segmented tooth representation (101) is obtained by transforming the first segmented tooth representation (101) using the initial tooth pose (302) for the first segmented tooth representation (101). The normalized tooth representation (301) of the first segmented tooth representation (101) is then input into a trained neural network (400). An output from the trained neural network (400) is produced, comprising a correct tooth pose for the first segmented tooth representation (101).
G06T 7/73 - Determining position or orientation of objects or cameras using feature-based methods
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
93.
Intraoral scanner with optical system for minimizing stray light
The present disclosure relates to an intraoral scanning device including a light source configured for emitting light; a beam splitter configured for outputting linearly polarized light of a predefined orientation, wherein the beam splitter is arranged such that light from the light source is transmitted through the beam splitter; an image sensor configured for acquiring one or more images; and a light absorbing unit for minimizing stray light on the image sensor, said light absorbing unit arranged on a surface of the beam splitter. The present disclosure further relates to an optical system for an intraoral scanning device, said optical system configured for minimizing stray light in the system.
A handheld intraoral scanner configured to acquire intraoral scan data from a three-dimensional dental object during a scanning session comprising a scan module, a scan tip configured to be connected to the scan module, and a housing that consists of a single piece and comprising a first opening and a second opening opposite to the first opening, wherein one or both of the first opening and second opening are configured to receive at least a part of the scan module.
An intraoral scanner system includes an intraoral scanner configured to acquire intraoral scan data from a three-dimensional dental object during a scanning session. The intraoral scanner includes a protection tip and a main body. The protection tip is detachable to the main body. The intraoral scanner system also includes a sleeve configured to cover at least a part of the main body of the intraoral scanner.
A61C 1/16 - Protecting caps for hand-pieces or angle-pieces
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
According to an embodiment, an intraoral scanner is disclosed. The intraoral scanner comprising a projector unit configured to emit light at least onto a dental object of a patient, and an image sensor configured to acquire reflected light from at least the dental object. The scanner includes a wireless interface configured to communicate with an external device, where the communication may include 2D image data and/or 3D image data processed or raw. The scanner includes a housing that accommodates the projector unit and the image sensor, and wherein the housing includes a first end and a second end, and the projector unit and the image sensor are arranged closer to the first end, and an antenna of the wireless interface is arranged closer to the second end, and wherein during a scan of an oral cavity of a patient the first end is located inside the oral cavity and the second end is not located within the oral cavity.
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set
A61B 1/24 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressorsInstruments for opening or keeping open the mouth
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
The disclosure relates to an intraoral scanner battery charger system (100) that is configured to charge an intraoral scanner battery (6) of a handheld intraoral scanner (10), wherein the system (100) comprises a handheld intraoral scanner that is configured to perform 3D scanning, an intraoral scanner battery (6) that is configured to be inserted into the handheld intraoral scanner and power the scanner, an intraoral scanner battery charger (1) that is configured to charge the intraoral scanner battery, wherein the intraoral scanner battery charger (1) comprises two or more battery slots (2A, 2B, 2C) configured to receive the intraoral scanner battery (6), wherein each of the two or more battery slots includes a charging interface (3) that is configured to an intraoral scanner battery interface of the handheld intraoral scanner (10). The charging interface (3) is configured to transfer a charging current to the intraoral scanner battery (6). The charger (1) further comprises a processor unit (4) configured to control the charging current based on a prioritized charging algorithm (7). The prioritized charging algorithm (7) includes transferring a first charging current (30) to a first intraoral scanner battery (6) of the system (100) and a second charging current (31) to a second intraoral scanner battery (6) of the system (100), and wherein the first charging current (30) is higher than the second charging current during (31) a charging period (CPI), and during a subsequent charging period (CP2), the first charging current (30) is lower than the second charging current (31).
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
A61B 1/247 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressorsInstruments for opening or keeping open the mouth with means for viewing areas outside the direct line of sight, e.g. dentists' mirrors
According to an embodiment, a handheld intraoral scanning device and related method is disclosed, the intraoral scanning device comprising a processing unit configured to process intraoral scan data of a patient and provide 2D image data and/or 3D image data. The intraoral scanning device comprises a memory unit and a wireless interface. The processing unit is configured to receive a session request for a session via the wireless interface; obtain and/or store a session key; and encrypt the session key, e.g. based on an intraoral scanning device key. The processing unit is configured to send a session response, e.g. comprising the encrypted session key; and receive session data in the session via the wireless interface. Also disclosed is a method for communication of a handheld intraoral scanning device comprising a processing unit, a memory unit, and a wireless interface. The method comprises receiving a session request for a session via the wireless interface; obtaining and/or storing a session key, e.g. in the memory unit; and encrypting the session key, e.g. based on an intraoral scanning device key. The method comprises sending the encrypted session key; and receiving session data in the session via the wireless interface.
According to an embodiment, a method and a handheld intraoral scanning device are disclosed. The intraoral scanning device may comprise a processing unit configured to process intraoral scan data of a patient and provide 2D image data and/or 3D image data, a wireless interface configured for transmitting the 2D image data and/or the 3D image data, and a memory. The processing unit may be configured to receive a linking request for a session via the wireless interface, obtain a session identifier, transmit, via the wireless interface, a linking response comprising an intraoral scanning device identifier and the session identifier. Furthermore, the processing unit may be configured to receive, via the wireless interface, an authentication message comprising an authentication key identifier and client device data, select an intraoral scanning device key from a plurality of intraoral scanning device keys in the memory unit based on the authentication key identifier, verify the client device data based on the selected intraoral scanning device key, and terminate the session if the verification fails.
H04W 12/069 - Authentication using certificates or pre-shared keys
H04W 12/30 - Security of mobile devicesSecurity of mobile applications
H04W 12/02 - Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
H04W 12/00 - Security arrangementsAuthenticationProtecting privacy or anonymity
G16H 10/40 - ICT specially adapted for the handling or processing of patient-related medical or healthcare data for data related to laboratory analysis, e.g. patient specimen analysis
G16H 30/20 - ICT specially adapted for the handling or processing of medical images for handling medical images, e.g. DICOM, HL7 or PACS
G16H 30/40 - ICT specially adapted for the handling or processing of medical images for processing medical images, e.g. editing
G16H 40/63 - ICT specially adapted for the management or administration of healthcare resources or facilitiesICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for local operation
G16H 50/20 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for computer-aided diagnosis, e.g. based on medical expert systems
G16H 50/50 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for simulation or modelling of medical disorders
100.
DENTAL SYSTEM, DEVICES AND METHOD OF SECURING COMMUNICATION FOR A USER APPLICATION
According to an embodiment, a dental system and a method of securing communication for a user application installed on an external device of the dental system. The securing communication for the user application comprises obtaining challenge data in the server device; transmitting the challenge data from the server device to the user application installed on the external device; transmitting a challenge request comprising the challenge data from the user application to the intraoral scanning device; receiving a challenge response comprising response data from the intraoral scanning device; forwarding the response data from the user application to the server device; verifying the response data in the server device based on the challenge data; and approving the user application in the server device if verifying the response data is successful.
H04W 12/00 - Security arrangementsAuthenticationProtecting privacy or anonymity
H04L 9/32 - Arrangements for secret or secure communicationsNetwork security protocols including means for verifying the identity or authority of a user of the system
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
G16H 10/40 - ICT specially adapted for the handling or processing of patient-related medical or healthcare data for data related to laboratory analysis, e.g. patient specimen analysis
G16H 10/60 - ICT specially adapted for the handling or processing of patient-related medical or healthcare data for patient-specific data, e.g. for electronic patient records
G16H 30/20 - ICT specially adapted for the handling or processing of medical images for handling medical images, e.g. DICOM, HL7 or PACS
G16H 30/40 - ICT specially adapted for the handling or processing of medical images for processing medical images, e.g. editing
G16H 40/40 - ICT specially adapted for the management or administration of healthcare resources or facilitiesICT specially adapted for the management or operation of medical equipment or devices for the management of medical equipment or devices, e.g. scheduling maintenance or upgrades
G16H 40/63 - ICT specially adapted for the management or administration of healthcare resources or facilitiesICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for local operation
G16H 40/67 - ICT specially adapted for the management or administration of healthcare resources or facilitiesICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for remote operation
G16H 50/50 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for simulation or modelling of medical disorders
