Systems, methods, and devices for post-processing additively manufactured objects are disclosed herein. In some embodiments, a system includes a rotor configured to support a plurality of additively manufactured objects having excess material thereon. The system can further include an actuator configured to spin the rotor so as to remove the excess material from the plurality of additively manufactured objects. The system can further include a sensor configured to obtain sensor data indicative of a cleaning status of the plurality of additively manufactured objects while the plurality of additively manufactured objects remain on the rotor. The system can further include a controller configured to adjust, based on the sensor data, an operational parameter of the rotor that enhances removal of the excess material from the plurality of additively manufactured objects.
B08B 7/00 - Cleaning by methods not provided for in a single other subclass or a single group in this subclass
B08B 7/04 - Cleaning by methods not provided for in a single other subclass or a single group in this subclass by a combination of operations
B29C 35/08 - Heating or curing, e.g. crosslinking or vulcanising by wave energy or particle radiation
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
Systems and methods for manufacturing objects are provided herein. In some embodiments, a method for fabricating an object includes: applying energy to a curable material according to a set of print parameters to form a cured material layer of an object on a build platform; conveying remaining curable material away from the build platform; receiving sensor data of the remaining curable material; detecting a printing defect in the object based on the sensor data; and adjusting the set of print parameters to mitigate the printing defect.
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
B29C 64/268 - Arrangements for irradiation using laser beamsArrangements for irradiation using electron beams [EB]
Dental attachment positioning apparatuses and methods of forming the same. Methods may include forming one or more registration surfaces on a body of an attachment placement structure. The one or more registration surfaces may be shaped to conform to one or more exterior surfaces of a dentition. Methods may include forming a well within the body, where the well is shaped for accepting an attachment material, and where the body includes a first opening that provides access to the well. Methods may include forming one or more second openings through the body that provides access to the well, where the one or more second openings is different than the first opening. Methods may include generating a virtual attachment placement structure and fabricating the attachment placement structure based on the virtual attachment placement structure.
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
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
5.
DENTAL AUXILIARIES FOR EFFECTIVE DENTAL APPLIANCE RETENTION
Devices, systems, and methods for expanding a patient's palate are provided. In some embodiments, a system for designing a dental system for expanding a palate of a patient includes one or more processors configured to perform operations including: accessing patient data representing one or more characteristics of the patient; accessing dental system data representing a palatal expander and a dental auxiliary for the patient, where the dental auxiliary is configured to be coupled to a tooth and to retain the palatal expander on a dental arch of the patient; determining whether a force applied to the dental auxiliary during placement or removal of the palatal expander is likely to cause detachment of the dental auxiliary from the tooth; modifying the dental system data to reduce the applied force; and generating one or more of a digital representation of the palatal expander or a digital representation of the dental auxiliary.
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
A61C 7/10 - Devices having means to apply outwardly directed force, e.g. expanders
6.
SYSTEMS AND METHODS FOR VISUALIZING RESULTS OF DENTAL TREATMENT
A system for creating a visualization of results of a dental treatment may include an intraoral scanner and a computing device including memory and one or more processors configured to perform a method that may include simulating a first dental treatment process on digital representations of initial teeth parameters to move teeth toward a target occlusion to produce a first set of output results, simulating a second dental treatment process on the first set of output results from the simulation of the first dental treatment process to produce a second set of output results, the first set of output results from the simulation of the first dental treatment process comprising supplementary teeth parameters, and displaying the simulation of the second dental treatment process. The first dental treatment process is one of a palatal expansion treatment or dental treatment and the second dental treatment process is the other.
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
Systems and methods related to bite setting in dental treatment planning. A three-dimensional (3D) model of first and second jaws of a dentition may include points corresponding to points marked in a two-dimensional (2D) image of the first and second jaws in a bite configuration. Movement of the first and second jaws may be simulated by applying forces on the first jaw, where the forces may include an axial force applied along an axis of the upper and lower jaws, and a photo attraction force applied to the points on the 3D model. The movement may be simulated until the axial and photo attraction forces are compensated by reaction forces arising from a simulated collision between the first and second jaws.
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
G06T 19/20 - Editing of 3D images, e.g. changing shapes or colours, aligning objects or positioning parts
G16B 5/00 - ICT specially adapted for modelling or simulations in systems biology, e.g. gene-regulatory networks, protein interaction networks or metabolic networks
8.
METHODS AND APPARATUSES FOR DIGITAL THREE-DIMENSIONAL MODELING OF DENTITION USING UN-PATTERNED ILLUMINATION IMAGES
Methods and apparatuses that may improve the accuracy of three-dimensional models from intraoral scan data using edge mapping of an un-patterned illumination images (e.g., white light, near-infrared light, fluorescent light, etc.) and a depth map from a 3D model of the dentition generated from the same intraoral scan as the un-patterned illumination image. This method involves generating an alignment transform using edges identified in an un-patterned illumination image captured during an intraoral scan and images of taking patterned illumination scans, to match edges extracted from the uniform light image with edges in the 3D model (and/or from the patterned illumination image).
Methods and apparatuses that may improve the accuracy of three-dimensional models from interproximal regions of intraoral scan data using non-structured light illumination images (e.g., white light, near-infrared light, fluorescent light, etc.). These methods and apparatuses may correct irregularities (e.g., holes, gaps, etc.) in the 3D digital model of the subject's teeth and may enhance treatment planning and the accuracy and effectiveness of dental appliances.
G06T 19/20 - Editing of 3D images, e.g. changing shapes or colours, aligning objects or positioning parts
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
A method includes receiving a digital representation of an orthodontic aligner, analyzing the digital representation of the orthodontic aligner to identify a quality-related property of the orthodontic aligner, determining, based on the quality-related property, that the orthodontic aligner comprises a manufacturing flaw, and causing the orthodontic aligner to be remanufactured responsive to determining that the orthodontic aligner comprises the manufacturing flaw. Analyzing the digital representation includes comparing the digital representation of the orthodontic aligner with data based on a digital model of a dental arch associated with a stage of treatment to be performed using the orthodontic aligner, and calculating one or more differences between a feature determined from the data and a feature of the digital representation of the orthodontic aligner.
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
Modular dental devices and methods of forming the same. The dental devices may include a first region having a first joining surface and a second region having a second joining surface. The first joining surface may have one or more protrusions and the second joining surface may include one or more corresponding features configured to mate with the one or more protrusions. The first and second regions may be coupled together at the first and second joining surfaces, where the one or more protrusions of the first joining surface mate with the corresponding features of the second joining surface to align the first region with the second region and to interlock the first and second regions.
A61C 7/10 - Devices having means to apply outwardly directed force, e.g. expanders
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
B33Y 40/20 - Post-treatment, e.g. curing, coating or polishing
B33Y 50/00 - Data acquisition or data processing for additive manufacturing
B33Y 80/00 - Products made by additive manufacturing
G16H 20/40 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture
12.
METHODS AND APPARATUSES FOR DIGITAL THREE-DIMENSIONAL MODELING OF DENTITION USING UN-PATTERNED ILLUMINATION IMAGES
Methods and apparatuses that may improve the accuracy of three-dimensional models from intraoral scan data using edge mapping of an un-patterned illumination images (e.g., white light, near-infrared light, fluorescent light, etc.) and a depth map from a 3D model of the dentition generated from the same intraoral scan as the un-patterned illumination image. This method involves generating an alignment transform using edges identified in an un-patterned illumination image captured during an intraoral scan and images of taking patterned illumination scans, to match edges extracted from the uniform light image with edges in the 3D model (and/or from the patterned illumination image).
40 - Treatment of materials; recycling, air and water treatment,
10 - Medical apparatus and instruments
44 - Medical, veterinary, hygienic and cosmetic services; agriculture, horticulture and forestry services
Goods & Services
Custom manufacture of orthodontic appliances; dental technician services; dental laboratory services Dental attachments and instruments for dental purposes, namely, apparatus for use in the placement of orthodontic attachments; dental apparatus, including orthodontic appliances; orthodontic appliances and orthodontic devices for use in straightening teeth and treating malocclusions Dental services; medical and orthodontic services; orthodontic and dentistry services; dental, orthodontic, periodontic, endodontic and paedodontic services and treatments; design and creation of orthodontic treatment plans for individuals; advisory services and the provision of information relating to dental and orthodontic techniques, materials and products; advisory and consultancy services relating to providing cranio-facial treatment, orthodontics, endodontics, paedodontics, periodontics, and restorative dental treatments, including the provision of such services online via the Internet or extranets
40 - Treatment of materials; recycling, air and water treatment,
10 - Medical apparatus and instruments
44 - Medical, veterinary, hygienic and cosmetic services; agriculture, horticulture and forestry services
Goods & Services
Custom manufacture of orthodontic appliances; dental technician services; dental laboratory services Dental attachments and instruments for dental purposes, namely, apparatus for use in the placement of orthodontic attachments; dental apparatus, including orthodontic appliances; orthodontic appliances and orthodontic devices for use in straightening teeth and treating malocclusions Dental services; medical and orthodontic services; orthodontic and dentistry services; dental, orthodontic, periodontic, endodontic and paedodontic services and treatments; design and creation of orthodontic treatment plans for individuals; advisory services and the provision of information relating to dental and orthodontic techniques, materials and products; advisory and consultancy services relating to providing cranio-facial treatment, orthodontics, endodontics, paedodontics, periodontics, and restorative dental treatments, including the provision of such services online via the Internet or extranets
Updating and/or optimizing a dental treatment plan can include obtaining a first tooth geometry from a first dental scan. The methods and apparatuses described herein may also include obtaining a second tooth geometry from a second dental scan performed subsequent to the first dental scan. Tooth geometry features from both dental scans may be used to determine corresponding (matching) teeth. Determined positions of the matching teeth can enable treatment plan updating and/or optimizing.
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
A61C 13/34 - Making or working of models, e.g. preliminary castings, trial denturesDowel pins
G06T 19/20 - Editing of 3D images, e.g. changing shapes or colours, aligning objects or positioning parts
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 20/40 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture
G16H 30/40 - ICT specially adapted for the handling or processing of medical images for processing medical images, e.g. editing
Orthodontic attachment devices for interacting with orthodontic appliances. An anchoring attachment body may include an orthodontic appliance engagement surface on a first portion of the anchoring attachment body and a bonding surface on a second portion of the anchoring attachment body. The orthodontic appliance engagement surface may be oriented to contact the orthodontic appliance and apply a force between the anchoring attachment body and the orthodontic appliance when the orthodontic appliance engages the orthodontic appliance engagement surface. The bonding surface may be configured for anchoring the anchoring attachment body to a tooth. Protrusions that protrude from the bonding surface may be arranged to provide spacing between the bonding surface and the tooth.
A method comprises registering a current color-image scan to a current three-dimensional scan, registering the earlier color-image scan to an earlier three-dimensional scan, and correlating a current three-dimensional scan and the earlier three-dimensional scan to each other, such that a given area A of the current three-dimensional scan correlates to a corresponding area A' of the earlier three-dimensional scan. Based on the correlation of the current three-dimensional scan and the earlier three-dimensional scan, the registration of the current color-image scan to the current three-dimensional scan, and the registration of the earlier color-image scan to the earlier three-dimensional scan, for the given area A of the current three-dimensional scan, the method applies (i) a portion of the earlier color-image scan registered to corresponding area A' of the earlier three-dimensional scan to (ii) the given area A of the current three-dimensional scan.
Methods, systems and devices for updating a geometry of an initial 3D model of a dental auxiliary or a dental appliance to conform to an engaging surface of a corresponding dental component to provide better force systems as part of an orthodontic treatment. Methods may include predicting the updated geometry of the initial 3D model 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
A method comprises registering a current color-image scan to a current three-dimensional scan, registering the earlier color-image scan to an earlier three-dimensional scan, and correlating a current three-dimensional scan and the earlier three-dimensional scan to each other, such that a given area A of the current three-dimensional scan correlates to a corresponding area A′ of the earlier three-dimensional scan. Based on the correlation of the current three-dimensional scan and the earlier three-dimensional scan, the registration of the current color-image scan to the current three-dimensional scan, and the registration of the earlier color-image scan to the earlier three-dimensional scan, for the given area A of the current three-dimensional scan, the method applies (i) a portion of the earlier color-image scan registered to corresponding area A′ of the earlier three-dimensional scan to (ii) the given area A of the current three-dimensional scan.
Methods for updating a geometry of an initial 3D model of a dental auxiliary or a dental appliance to conform to an engaging surface of a corresponding dental component to provide better force systems as part of an orthodontic treatment. Any of these methods may include predicting the updated geometry of the initial 3D model 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
G06F 30/12 - Geometric CAD characterised by design entry means specially adapted for CAD, e.g. graphical user interfaces [GUI] specially adapted for CAD
22.
DENTAL IMAGING DEVICE CONFIGURED TO ENABLE 3D MODEL GENERATION
A system comprises a dental tray comprising an array of cameras, wherein each camera of the first array of cameras has a fixed position and orientation relative to one or more other camera of the array of cameras, the array of cameras configured to generate a plurality of images comprising image data of at least a portion of the dental arch. The system further comprises a processing device to receive a plurality of images generated by the array of cameras, stitch the plurality of images together based on calibration data specifying predetermined image stitching parameters for combining the plurality of images, wherein the predetermined image stitching parameters are based on predetermined fixed relative positions and orientations of cameras from the array of cameras, and generate a three-dimensional model of a plurality of teeth based on the stitched plurality of images.
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 1/015 - Control of fluid supply or evacuation
A61B 1/04 - 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 combined with photographic or television appliances
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 1/12 - 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 cooling or rinsing arrangements
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 1/253 - 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
A manufacturing system comprises a holder, a robot arm, a press and a laser. The holder is configured to receive a feature of a dental appliance and to hold the dental appliance by clamping the feature of the dental appliance, wherein the holder holds the feature of the dental appliance at a reference position. The robot arm is configured to retrieve an object and to place the object against the feature at the reference position. The press is configured to apply pressure to press the object against the feature of the dental appliance while the dental appliance is held by the holder. The laser is configured to expose an interface of the dental appliance and the object to coherent light to weld the object to the feature of the dental appliance while the press presses the object against the feature of the dental appliance.
In a method of processing intraoral scan data includes receiving intraoral scan data comprising one or more intraoral images of a portion of a dental site generated using structured light projection during intraoral scanning of the dental site, generating a three-dimensional (3D) point cloud of the portion of the dental site using the intraoral scan data, detecting one or more regions of the 3D point cloud comprising a bodily fluid, removing the one or more regions from the 3D point cloud, updating a 3D surface of the dental site using the 3D point cloud of the portion of the dental site, and outputting the 3D surface of the dental site to a display.
A dental appliance manufacturing system includes a plate. Molds of dental arches are to be positioned on the plate. The dental appliance manufacturing system further includes a heating section configured to be adjusted based on the molds positioned on the plate. The heating section is configured to heat one or more sheets of plastic to generate one or more heated sheets. The dental appliance manufacturing system further includes a thermoforming chamber configured to simultaneously thermoform the one or more heated sheets over the molds positioned on the plate to form a plurality of dental appliances.
Embodiments include obtaining an input image depicting a body part of a person and processing the input image against a set of semantic landmarks representing landmarks of the body part; obtaining a mesh model for a set of images; generating, from the mesh model and the set of semantic landmarks, a body part mesh of the person, wherein the body part mesh is an approximation of a 3D model for the body part depicted in the input image; obtaining a target body part mesh data structure, distinct from the body part mesh; and generating a modified view image of the body part, modified to reflect differences between the target body part mesh data structure and the body part mesh while retaining at least some texture of the body part from the input image.
A61B 17/00 - Surgical instruments, devices or methods
A61B 34/10 - Computer-aided planning, simulation or modelling of surgical operations
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
G06F 18/214 - Generating training patternsBootstrap methods, e.g. bagging or boosting
G06N 3/04 - Architecture, e.g. interconnection topology
G06T 17/20 - Wire-frame description, e.g. polygonalisation or tessellation
G16H 20/40 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture
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 50/50 - 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
G16H 50/70 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for mining of medical data, e.g. analysing previous cases of other patients
27.
PREDICTING MANUFACTURING OUTCOMES FOR ADDITIVELY MANUFACTURED OBJECTS
Methods and systems for predicting manufacturing outcomes are provided. In some embodiments, a method includes receiving at least one image representing a target geometry of an object to be fabricated using an additive manufacturing process. The method can include generating at least one modified image by inputting the at least one image into a machine learning algorithm. The machine learning algorithm can be trained to determine one or more modifications to the at least one image, where the one or modifications are configured to compensate for predicted deviations from the target geometry of the object when the object is fabricated via the additive manufacturing process based on the at least one image. The method can further include generating instructions for fabricating the object using the additive manufacturing process, based on the at least one modified image.
B33Y 50/00 - Data acquisition or data processing for additive manufacturing
B33Y 80/00 - Products made by additive manufacturing
G05B 13/02 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
28.
PREDICTING MANUFACTURING OUTCOMES FOR ADDITIVELY MANUFACTURED OBJECTS
Methods and systems for predicting manufacturing outcomes are provided. In some embodiments, a method includes receiving at least one image representing a target geometry of an object to be fabricated using an additive manufacturing process. The method can include generating at least one modified image by inputting the at least one image into a machine learning algorithm. The machine learning algorithm can be trained to determine one or more modifications to the at least one image, where the one or modifications are configured to compensate for predicted deviations from the target geometry of the object when the object is fabricated via the additive manufacturing process based on the at least one image. The method can further include generating instructions for fabricating the object using the additive manufacturing process, based on the at least one modified image.
In a method of processing intraoral scan data includes receiving intraoral scan data comprising one or more intraoral images of a portion of a dental site generated using structured light projection during intraoral scanning of the dental site, generating a three-dimensional (3D) point cloud of the portion of the dental site using the intraoral scan data, detecting one or more regions of the 3D point cloud comprising a bodily fluid, removing the one or more regions from the 3D point cloud, updating a 3D surface of the dental site using the 3D point cloud of the portion of the dental site, and outputting the 3D surface of the dental site to a display.
G06V 10/764 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using classification, e.g. of video objects
C08L 51/08 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
C08F 8/34 - Introducing sulfur atoms or sulfur-containing groups
A system for scanning a dentition may include an intraoral scanner, a processor, and memory storing instructions that when executed by the one or more processors may cause the system to receive point cloud data of a patient's detention, and generate a plurality of possible models of the patient's dentition based on the received point cloud data by manipulating an aspect of the point cloud data multiple times, for each manipulation of the point cloud data, generating a possible model of the patient's dentition to generate the plurality of possible models of the patient's dentition and determine a position variance between positions of respective dental features of the patient's detention between each of the possible models of the of the patient's dentition. The system may also output a depiction of the scanned location on the patient's detention based the measured range of possible models.
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
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
Methods and apparatuses for orthodontic treatment with prefabricated attachments. The prefabricated attachments may have predetermined characteristics, such as shape, size, rigidity, elasticity, deformability, material, and/or color. A treatment plan and aligners for moving the patient's teeth may be based on using the prefabricated attachments. In some examples, the prefabricated attachments are bonded on the patient's teeth, and a scan of the patient's teeth is made with the prefabricated attachments bonded to the patient's teeth. In some examples, a recommended set of prefabricated attachments based on the patient's malocclusions or other factors is provided.
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
Methods and apparatuses (e.g., devices, system, etc., including software, hardware and firmware) including convertible dental auxiliary devices and methods of making and using them. The convertible dental auxiliary devices described herein may convert between two or more different stable configurations that may be useful to engage with one or more patient-removable dental appliances and/or one or more orthodontic force accessories.
Systems for manufacturing objects are provided herein. In some embodiments, a system includes at least one sensor and at least one energy source configured to output energy. The system can further include a processor and a memory operably coupled to the processor and storing instructions that, when executed by the processor, cause the system to perform operations including receiving, from the at least one sensor, sensor data of an additively manufactured dental appliance having a plurality of appliance portions. The operations can further include determining, based on the sensor data, a location of a subset of the appliance portions on the additively manufactured dental appliance. The operations can further include applying the energy from the at least one energy source to the subset of the appliance portions so as to selectively modify one or more material properties of the subset of the appliance portions.
A method for monitoring palatal expansion is provided. The method includes accessing a treatment plan for a patient comprising a series of sequential treatment stages, each treatment stage associated with a particular palatal expander in a series of palatal expanders, receiving 2D images of an oral cavity of the patient during a treatment stage of the treatment plan, determining, via processing of the 2D images, one or more observations progress indicators associated with the treatment plan, determining, based on the one or more observations progress indicators, a level of progress associated with the treatment plan, and providing a representation of progress corresponding to the determined level of progress.
G16H 20/40 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture
G16H 30/40 - ICT specially adapted for the handling or processing of medical images for processing medical images, e.g. editing
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
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
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
Methods and apparatuses for increasing the effectiveness dental appliances in gripping and manipulating teeth. These methods and apparatuses may include one or more (e.g., a series of) dental appliances that may include a radial grip that improves the contact and allows the application of normal and friction forces between a patient's teeth and aligner without disrupting the fit of the overall aligner.
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
B33Y 50/00 - Data acquisition or data processing for additive manufacturing
B33Y 80/00 - Products made by additive manufacturing
37.
APPARATUSES AND METHODS FOR THREE-DIMENSIONAL DENTAL SEGMENTATION USING DENTAL IMAGE DATA
Methods and apparatuses (including systems and devices), including computer-implemented methods for segmenting, correcting and/or modifying a three-dimensional (3D) model of a subject's oral cavity to determine individual components such as teeth, gingiva, tongue, palate, etc., that may be selective and/or collectively digitally manipulated. In some implementations, artificial intelligence uses libraries of labeled 2D images and 3D dental models to learn how to segment a 3D dental model of a subject's oral cavity using 2D images, height map and/or other data and projection values that relate the 2D images to the 3D model. As noted herein, the dental classes can include a variety of intra-oral and extra-oral objects and can be represented as binary values, discrete values, a continuum of height map data, etc. In some implementations, several dental classes are predicted concurrently.
The present disclosure provides polymerizable composition that can produce desirable stain resistant polymeric materials, polymer compositions, and/or photo-curable resins. Further provided herein are methods of producing polymerizable compositions, resins, devices, and polymeric materials. Also provided herein are methods of using polymerizable compositions, resins, and polymeric materials for the fabrication (e.g., via 3D printing) of medical devices, such as orthodontic appliances.
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
C08G 18/67 - Unsaturated compounds having active hydrogen
C08G 18/75 - Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
C08L 51/08 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
39.
ANTIOXIDANT STABILIZERS FOR DIRECT FABRICATION OF ORTHODONTIC APPLIANCES
This disclosure provides stable polymerizable resin compositions comprising one or more antioxidant stabilizers to prevent undesired polymerization and/or oxidation of polymerizable components as well as undesired depletion of photoinitiators in the polymerizable resin composition. Such polymerizable resin compositions can be used to produce polymeric materials with properties suitable for use in various mechanical appliances, such as orthodontic appliances.
C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
C09D 151/08 - Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCoating compositions based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
40.
STAIN RESISTANT COMPOSITIONS AND METHODS FOR PREPARING THE SAME
The present disclosure provides polymerizable composition that can produce desirable stain resistant polymeric materials, polymer compositions, and/or photo-curable resins. Further provided herein are methods of producing polymerizable compositions, resins, devices, and polymeric materials. Also provided herein are methods of using polymerizable compositions, resins, and polymeric materials for the fabrication (e.g., via 3D printing) of medical devices, such as orthodontic appliances.
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
A method for forming an ornamental indicia carrier may include forming a first print laminate comprising an oriented print layer. The oriented print layer may include a core layer, a first adhesion layer and a second adhesion layer. The method may also include forming a second print laminate coupled to the first print laminate. The second print laminate may include a pressure sensitive adhesive layer. The method may also include coupling an ink layer to one or more of the first adhesion layer, the second adhesion layer, or the pressure sensitive adhesive layer.
B32B 7/06 - Interconnection of layers permitting easy separation
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
B32B 38/00 - Ancillary operations in connection with laminating processes
B41M 5/00 - Duplicating or marking methodsSheet materials for use therein
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
42.
INTRAORAL SCANNER SLEEVE AUTHENTICATION AND IDENTIFICATION
Apparatuses, including sleeves, intraoral scanning systems to use these sleeves, and methods of using the sleeve, that authenticate the sleeve for use with an intraoral scanning system. Authentication may include verifying that the sleeve is new (unused) and/or verifying that the sleeve is appropriate and/or intended for use with the intraoral scanning system. Once authenticated, operation parameters of the intraoral scanning system can be automatically set based on information from a scanned identifier on the sleeve.
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
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
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
43.
3D PRINTED DENTAL APPLIANCES WITH VARIABLE THICKNESS REGIONS
Dental appliances for treatment of a patient's dentition are provided. In some embodiments, a dental appliance includes a plurality of 3D printed polymer layers, where the plurality of 3D printed polymer layers includes a plurality of sequentially polymerized appliance cross-sections. The dental appliance can include an appliance shell formed from the plurality of sequentially polymerized appliance cross-sections. The appliance shell can include a plurality of tooth receiving cavities formed from the plurality of sequentially polymerized appliance cross-sections, the plurality of tooth receiving cavities arranged to receive a dentition and to exert one or more forces on the dentition, and a plurality of variable thickness regions formed from the plurality of sequentially polymerized appliance cross-sections. The plurality of variable thickness regions can include a corresponding plurality of different appliance thicknesses, and the plurality of variable thickness regions can be arranged to implement one or more treatment outcomes.
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
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 80/00 - Products made by additive manufacturing
G05B 15/02 - Systems controlled by a computer electric
G05B 19/042 - Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
G05B 19/4097 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by using design data to control NC machines, e.g. CAD/CAM
44.
CUSTOMER CONTACT MANAGEMENT IN ASSOCIATION WITH PROVISIONING PRODUCTS THROUGH A PROVIDER NETWORK OF AN ENTERPRISE
Systems, methods, and computer-readable media for managing customer contact based on context. Specifically, a provider in a provider network associated with provisioning a specific product to a specific user can be identified. Context information related to the provider provisioning one or more products in relation to one or more workflows for provisioning the one or more products through the provider network can be accessed. A model can be applied based on the context information to identify circumstances associated with a likelihood that the provider will contact an enterprise of the provider network with respect to provisioning of the specific product to the specific user. As follows, performance of one or more remedial actions through the enterprise to address the provider contacting the enterprise can be facilitated based on the circumstances associated with the likelihood that the provider will contact the enterprise of the provider network.
G06Q 10/067 - Enterprise or organisation modelling
G06Q 10/0637 - Strategic management or analysis, e.g. setting a goal or target of an organisationPlanning actions based on goalsAnalysis or evaluation of effectiveness of goals
45.
MODELING AND VISUALIZATION OF FACIAL STRUCTURE FOR DENTAL TREATMENT PLANNING
A method is provided for optimizing a dental treatment plan. In some cases, the method can include receiving patient data comprising one or more progress indicators associated with an dental treatment plan, processing the patient data to determine a level of progression associated with the dental treatment plan based on the one or more progress indicators, modifying the dental treatment plan in response to the determined level of progression, and generating a notification of the modified dental treatment plan. In some cases, modifying the dental treatment plan in response to the determined level of progression includes advancing a patient associated with the patient data to a subsequent stage of the dental treatment plan or retaining the patient within a current stage of the dental treatment plan.
G16H 20/30 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to physical therapies or activities, e.g. physiotherapy, acupressure or exercising
G16H 20/40 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture
G16H 30/40 - ICT specially adapted for the handling or processing of medical images for processing medical images, e.g. editing
A61C 7/10 - Devices having means to apply outwardly directed force, e.g. expanders
A storage case for dental appliances can include a lid and a base that form an enclosed cavity to receive the dental appliance. The storage case can include a hinge to couple the lid to the base and hold the lid in partially opened and opened predetermined positions with respect to the base. In some variations, the storage case may include one or more drainage holes to facilitate the removal of liquids from within the storage case. The storage cases may also include tactile feedback indicating that the lid is opening and/or closing.
A method for monitoring palatal expansion is provided. The method includes accessing a treatment plan for a patient comprising a series of sequential treatment stages, each treatment stage associated with a particular palatal expander in a series of palatal expanders, receiving 2D images of an oral cavity of the patient during a treatment stage of the treatment plan, determining, via processing of the 2D images, one or more observations progress indicators associated with the treatment plan, determining, based on the one or more observations progress indicators, a level of progress associated with the treatment plan, and providing a representation of progress corresponding to the determined level of progress.
G16H 20/40 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture
Provided herein are devices and methods generating a panoramic rendering of a subject's teeth. Methods and processes are provided to image the subject's teeth with a dental scan. Methods and processes are also provided to automatically 3D render the subject's teeth with the scan images. Methods and apparatuses are also provided to generate simulated panoramic views of the subject's dentition from various perspectives.
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
A61B 6/00 - Apparatus or devices for radiation diagnosisApparatus or devices for radiation diagnosis combined with radiation therapy equipment
A61B 6/46 - Arrangements for interfacing with the operator or the patient
A system comprises an intraoral scanning device and a processor. The intraoral scanning device comprises a wand including a probe, one or more light projectors disposed in the probe and configured to project a non-coded structured light pattern comprising pattern features, two or more cameras disposed in the probe and configured to acquire one or more sets of images each including one or more image features of at least a portion of the projected non-coded structured light pattern, and a mirror, wherein a light projector and a camera are positioned to face the mirror. The processor is configured to solve a correspondence problem within each set of images such that points in 3D space are determined based on the one or more image features, wherein said points form a solution to the correspondence problem, and wherein the correspondence problem is solved for one or more pattern features.
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
A method is provided for optimizing a dental treatment plan. In some cases, the method can include receiving patient data comprising one or more progress indicators associated with an dental treatment plan, processing the patient data to determine a level of progression associated with the dental treatment plan based on the one or more progress indicators, modifying the dental treatment plan in response to the determined level of progression, and generating a notification of the modified dental treatment plan. In some cases, modifying the dental treatment plan in response to the determined level of progression includes advancing a patient associated with the patient data to a subsequent stage of the dental treatment plan or retaining the patient within a current stage of the dental treatment plan.
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 50/70 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for mining of medical data, e.g. analysing previous cases of other patients
52.
ADDITIVELY MANUFACTURED OBJECTS WITH ACCESSIBLE SUPPORTS AND ASSOCIATED METHODS
Additively manufactured objects with exposed supports and associated methods are provided. In some embodiments, a method includes receiving one or more additively manufactured objects (402a-402d) that are coupled to a plurality of support structures (404), where each support structure includes an exposed shoulder region that is accessible to an energy beam (408) of a trimming system. The method can include identifying the locations of the exposed shoulder regions of the plurality of support structures, and directing the energy beam of the trimming system to the locations of the exposed shoulder regions of the plurality of support structures to cut at least partially through the exposed shoulder regions of the plurality of support structures.
Multi-dimensional skeletal corrections that can provide a comprehensive and total multi-dimensional treatment solution to treat one or more complex oral and/or airway conditions may concurrently include palatal expansion and mandibular advancment. For exampe, these methods and apparatuses, including systems and devices, as well as software, hardware and firmware, may be used to treat complex and potentially interrelated conditions such as (but not limited to) Class II and Class III malocclusions, narrow maxillary arch, and obstructive sleep apnea.
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
A storage case for dental appliances can include a lid and a base that form an enclosed cavity to receive the dental appliance. The storage case can include a hinge to couple the lid to the base and hold the lid in partially opened and opened predetermined positions with respect to the base. In some variations, the storage case may include one or more drainage holes to facilitate the removal of liquids from within the storage case. The storage cases may also include tactile feedback indicating that the lid is opening and/or closing.
A61C 19/02 - Protective casings, e.g. boxes for instrumentsBags
B65D 8/00 - Containers having a curved cross-section formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal, plastics, wood or substitutes therefor
55.
LASER MARKABLE RESIN COMPOSITIONS FOR ORTHODONTIC APPLIANCES
This disclosure provides laser markable polymerizable resin compositions comprising infrared absorbing marking additives to achieve improved laser markability of 3-D printed objects obtained from these polymerizable resin composition, and methods for marking the cured resin compositions using an infrared laser.
C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
B29K 509/00 - Use of inorganic materials not provided for in groups , as filler
B41M 5/333 - Colour developing components therefor, e.g. acidic compounds
B41M 5/46 - Thermography characterised by the base, intermediate or covering layersHeat, radiation filtering or absorbing means or layersThermography combined with layers or compositions suitable for other methods of image registrationSpecial originals for reproduction by thermography characterised by the light-to-heat converting meansThermography characterised by the base, intermediate or covering layersHeat, radiation filtering or absorbing means or layersThermography combined with layers or compositions suitable for other methods of image registrationSpecial originals for reproduction by thermography characterised by the heat or radiation filtering or absorbing means or layers
This disclosure provides polymerizable resin compositions comprising a hydrophobic polyether-containing polymerizable polyurethane compound to impart improved stain resistance to polymeric materials formed from the polymerizable resin compositions. Further provided herein are methods of producing the compositions and using the same for the fabrication of dental devices, such as orthodontic appliances.
A method of manufacturing a three-dimensional (3D) object comprises: fabricating one or more support structures; fabricating the 3D object on the one or more support structures, wherein the one or more support structures contact the 3D object at one or more support regions of the 3D object; and overcuring the 3D object at one or more overcure regions of the 3D object, wherein the one or more overcure regions are distinct from the one or more support regions. The 3D object is configured such that after removal of the one or more support structures from the 3D object, one or more support marks remain on the 3D object where the one or more support structures had contacted the 3D object, wherein the one or more overcure regions of the 3D object are configured to project past the one or more support marks.
B29C 64/188 - Processes of additive manufacturing involving additional operations performed on the added layers, e.g. smoothing, grinding or thickness control
Additively manufactured objects with exposed supports and associated methods are provided. In some embodiments, a method includes receiving one or more additively manufactured objects that are coupled to a plurality of support structures, where each support structure includes an exposed shoulder region that is accessible to an energy beam of a trimming system. The method can include identifying the locations of the exposed shoulder regions of the plurality of support structures, and directing the energy beam of the trimming system to the locations of the exposed shoulder regions of the plurality of support structures to cut at least partially through the exposed shoulder regions of the plurality of support structures.
Multi-dimensional skeletal corrections that can provide a comprehensive and total multi-dimensional treatment solution to treat one or more complex oral and/or airway conditions may concurrently include palatal expansion and mandibular advancment. For example, these methods and apparatuses, including systems and devices, as well as software, hardware and firmware, may be used to treat complex and potentially interrelated conditions such as (but not limited to) Class II and Class III malocclusions, narrow maxillary arch, and obstructive sleep apnea.
Tooth attachments are provided comprising one or more convex surfaces for engagement by a surface of an orthodontic appliance. Polymeric shell appliances are provided in which the polymeric shell appliances are configured to provide one or more activation forces to facilitate tooth movement. The polymeric shell appliances may comprise one or more tooth receiving cavities. The polymeric shell appliances may further comprise an engagement portion with a surface configured to engage a convex attachment surface in order to apply a tooth moving force.
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
An intraoral scanner includes a rigid structure coupling with projectors and cameras. A field of view of each camera overlaps a field of view of a neighboring camera. The field of view of each camera overlaps a field of illumination of a neighboring projector. A projector is secured to a metallic frame at an opening of the metallic frame. Each projector includes: a light source to generate light; projector lenses to receive the light; projector lens frames to secure the projector lenses relative to the light source; and a pattern generating optical element to receive the light and generate a pattern of light along a projector axis onto an intraoral surface. Each camera includes: an image sensor to capture images along an optical axis that depict at least a portion of the pattern of light projected on the intraoral surface by the neighboring projector; and one or more camera lenses.
A set of primer appliances and a set of treatment appliances to be worn by a subject are provided. The primer appliances are first worn to prepare the local environment of the teeth for further repositioning of the teeth by the treatment appliances. The primer appliances may apply compression or force to one or more support structures of the teeth in a direction favorable for inducing a biological response of the one or more support structures that prepare the teeth for repositioning, for example by relaxing the tissue of the one or more support structures of the teeth. The primer appliances may cause minimal or no repositioning of the teeth. The treatment appliances are worn to reposition the teeth from an initial position to an end position of a treatment stage. The primer appliances can improve the efficiency and accuracy of tooth movement by the treatment appliances.
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
An intraoral scanner comprises one or more structured light projectors and two or more cameras, where each structured light projector projects a pattern of light onto an intraoral three-dimensional (3D) surface and the two or more cameras capture one or more sets of images, wherein each image includes at least a portion of the projected pattern of light. A processor solves a correspondence problem within a set of images of the one or more sets of images such that points in 3D space are determined based on correspondence of captured features in the set of images to projected features of at least the portion of the projected pattern, wherein said points in 3D space form a solution to the correspondence problem. The processor calibrates the intraoral scanner by performing an adjustment to stored calibration data associated with the intraoral scanner based on the solution to the correspondence problem.
H04N 13/204 - Image signal generators using stereoscopic image cameras
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
G06T 7/521 - Depth or shape recovery from laser ranging, e.g. using interferometryDepth or shape recovery from the projection of structured light
H04N 1/00 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmissionDetails thereof
64.
POLYETHER-CONTAINING POLYMERIZABLE COMPOUNDS AND USE IN CURABLE RESIN COMPOSITIONS
This disclosure provides polymerizable resin compositions comprising a hydrophobic polyether-containing polymerizable polyurethane compound to impart improved stain resistance to polymeric materials formed from the polymerizable resin compositions. Further provided herein are methods of producing the compositions and using the same for the fabrication of dental devices, such as orthodontic appliances.
This disclosure provides laser markable polymerizable resin compositions comprising infrared absorbing marking additives to achieve improved laser markability of 3-D printed objects obtained from these polymerizable resin composition, and methods for marking the cured resin compositions using an infrared laser.
B33Y 70/00 - Materials specially adapted for additive manufacturing
B33Y 80/00 - Products made by additive manufacturing
G03F 7/00 - Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printed surfacesMaterials therefor, e.g. comprising photoresistsApparatus specially adapted therefor
G03F 7/027 - Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
G03F 7/038 - Macromolecular compounds which are rendered insoluble or differentially wettable
G03F 7/105 - Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers having substances, e.g. indicators, for forming visible images
B29C 64/00 - Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
66.
ORTHODONTIC APPLIANCE SYSTEMS FOR CORRECTING MALOCCLUSIONS
A system for correcting malocclusions may include a maxillary appliance having tooth receiving cavities shaped to receive teeth of a maxilla and a first elastic coupling at gingival line of the maxillary appliance. The first elastic coupling may be configured for receiving an elastic. The system may also include mandibular appliance having tooth receiving cavities shaped to receive teeth of a mandible. The system may also include a corrective appliance having a first coupling configured to be coupled to the mandibular appliance at a first location on a first side of incisors of a patient and a second coupling configured to be coupled to the mandibular appliance on a second side of the incisors, and having an arm extending from the corrective appliance towards the gingival line of the maxillary appliance and being shaped to receive the elastic.
A61C 7/36 - Devices acting between upper and lower teeth
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
Dental appliances with shaped material components and methods of forming the same. Methods may include forming a shell to have one or more cavities that are configured to receive a patient's dentition. The shell may be configured to reposition one or more teeth of the patient's dentition toward a new configuration. One or more flaps of material may be folded to form a specialized feature of the dental appliance. The specialized feature may be configured to impart one or more specialized forces to one or more specific locations of the patient's dentition or dental arch.
B29C 53/04 - Bending or folding of plates or sheets
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
A method includes determining, by a processing device, a plurality of treatment providers for providing a dental treatment to a user and providing identification of the plurality to a first user device. The method further includes receiving image data of dentition of the user from the first user device. The method further includes receiving a user selection of a first treatment provider and a second treatment provider. The method further includes providing the image data to a second and third device associated with the first treatment provider and second treatment provider. The method further includes obtaining first information of a first recommended treatment for the dentition and second information of a second recommended treatment for the dentition from the first and second treatment providers. The method further includes providing the first information and the second information of the second recommended treatment to the first user device.
G16H 20/40 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture
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 mold is for thermoforming a dental appliance. The mold includes a first section of the mold and a second section of the mold. The second section includes a feature having a complex shape, an undercut, or a bite edge. The mold further includes a weakened region that joins the first section to the second section. The weakened region is breakable, deflectable, or deformable in response to a first threshold force to enable the first section and the second section to be removed from the dental appliance after the dental appliance is formed over the mold. The first threshold force is less than a second threshold force that would damage or permanently deform the dental appliance.
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
B29C 33/38 - Moulds or coresDetails thereof or accessories therefor characterised by the material or the manufacturing process
B29C 33/44 - Moulds or coresDetails thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
B29C 33/50 - Moulds or coresDetails thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with means for collapsing or disassembling elastic
Improved orthodontic appliances, along with related systems and methods, are provided. In one aspect, an appliance includes a shell having a plurality of cavities shaped to receive teeth, and a discontinuity formed in the shell. The appliance also includes an elastic member having a first portion directly coupled to the shell at a first attachment point and a second portion directly coupled to the shell at a second attachment point. The elastic member can be positioned to interact with the discontinuity.
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
Methods and systems for taking images of a patient's teeth for tracking a progress of an orthodontic procedure. The methods and systems include a mobile device holder with one or more adjustable stops for providing a compressive force on a mobile device placed therein; a cheek retractor coupled to the mobile device holder; and a user interface on the mobile device indicating whether the mobile device holder is in a correct position relative to the patient's teeth as the mobile device holder is moved while the cheek retractor engages a cheek of the patient to expose the patient's teeth, while taking one or more visual images of the exposed teeth using a camera of the mobile device.
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
A61C 5/90 - Oral protectors for use during treatment, e.g. lip or mouth protectors
An intraoral scanner comprises a housing, a light source for generating light, an optics system for focusing the light, a detector for detecting returning light reflected off an intraoral object, and a focus shifting mechanism configured to shift a focal plane of the optics system. The optics system is configured such that, after having passed through the optics system, an outermost chief ray of the light with respect to an optical axis of the optics system is divergent to the optical axis and an outermost marginal ray of the light with respect to the optical axis is parallel or divergent to the optical axis.
F21V 8/00 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems
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
Medical and dental apparatus; medical and dental imaging apparatus; medical and dental apparatus and instruments; diagnostic imaging apparatus and instruments for dental, odontologic and orthodontic use; apparatus for clinical diagnosis; scanners for dental, odontologic and orthodontic diagnostic use and parts thereof; disposable protective coverings for use on dental instruments and equipment; disposable protective coverings, scanner sleeves and barrier sleeves for use on dental, odontologic and orthodontic diagnostic imaging apparatus and instruments and equipment.
The present disclosure provides photo-polymerizable monomers, photo-curable resins comprising one or more of such monomers, as well as polymeric materials formed from the photo-curable resins. Further provided herein are methods of producing the compositions and using the same for the fabrication of medical devices, such as orthodontic appliances.
C08F 220/12 - Esters of monohydric alcohols or phenols
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
B33Y 70/00 - Materials specially adapted for additive manufacturing
B33Y 80/00 - Products made by additive manufacturing
C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
C08F 220/30 - Esters containing oxygen in addition to the carboxy oxygen containing aromatic rings in the alcohol moiety
First intraoral images of a three-dimensional (3D) intraoral object of a patient generated using a first modality of multiple modalities is received. Second intraoral images of the 3D intraoral object of the patient generated using a second modality of the multiple modalities is received. The first intraoral images generated using the first modality are registered relative to the second intraoral images generated using the second modality. A virtual model of the 3D intraoral object is generated based on a result of the registering.
G06T 7/33 - Determination of transform parameters for the alignment of images, i.e. image registration using feature-based methods
G06V 10/75 - Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video featuresCoarse-fine approaches, e.g. multi-scale approachesImage or video pattern matchingProximity measures in feature spaces using context analysisSelection of dictionaries
79.
DENTAL APPLIANCE WITH CAVITY FOR AN UNERUPTED OR ERUPTING TOOTH
A method includes to receive, via a computing device, data representing a plurality of teeth, identify data indicating which of the plurality of teeth are unerupted or erupting, predict at least one characteristic of a tooth of the unerupted or erupting teeth after they have fully erupted using one or more tooth eruption prediction factors, generate new data representing the unerupted or erupting teeth in multiple states of eruption based upon the predicted at least one characteristic of the fully erupted teeth, and generate a series of incremental tooth arrangements with the new data to define a proposed orthodontic treatment based on the new data representing the unerupted or erupting teeth in multiple states of eruption.
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
Methods and systems for comparing dental treatment plans are provided, including: obtaining a first 2D image of a patient's face and dentition; accessing a plurality of 3D models of the patient's dentition, where each 3D model represents a treatment result for a respective dental treatment plan of a plurality of dental treatment plans for the patient; generating a plurality of second 2D images of the patient, where each second 2D image is formed by combining a respective 3D model of the patient's dentition with a projected representation of the patient's face, and where the projected representation is generated by projecting the first 2D image into a 3D space; sending instructions to display the plurality of second 2D images of the patient on an output device; and receiving a user input selecting at least one dental treatment plan of the plurality of dental treatment plans associated with the displayed second 2D images.
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
G06T 19/20 - Editing of 3D images, e.g. changing shapes or colours, aligning objects or positioning parts
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
81.
ORTHODONTIC ALIGNMENT DEVICES WITH PALATAL CONTOUR ANCHORAGE FEATURES
An orthodontic alignment device can have a palatal contour anchorage (PCA) feature that generally matches the shape of the patient's hard pallet. This PCA feature may be built slightly off-set to deliberately push against the patient's palate and/or gingiva to provide anchorage support of staged translation of the teeth. By transferring the required anchorage away from the teeth and onto the palate, through the PCA feature, the adjacent teeth are no longer subjected to unwanted side effects of reaction forces.
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
A61C 7/10 - Devices having means to apply outwardly directed force, e.g. expanders
Systems, methods, devices and apparatus for mandibular advancement or retraction via bone anchoring devices are described herein. In various aspects, an apparatus for treating a patient via mandibular advancement or retraction comprises a plurality of anchoring devices positioned in the patient's intraoral cavity. Each of the plurality of anchoring devices can be positioned in bone of the patient's upper jaw or bone of the patient's lower jaw. One or more connecting structures can be removably coupled to and extend between the plurality of anchoring devices in order to displace the lower jaw anteriorly or posteriorly relative to the upper jaw.
A61C 8/00 - Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereonDental implantsImplanting tools
A61B 17/60 - Surgical instruments or methods for treatment of bones or jointsDevices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements for external osteosynthesis, e.g. distractors or contractors
A61B 17/66 - Compression or distraction mechanisms
Methods for planning an orthodontic treatment are provided, including: transmitting an initial tooth data set to an orthodontic treatment planning tool, the initial tooth data set including an initial arrangement of a patient's teeth; receiving a plurality of treatment plans for the patient's teeth from the orthodontic treatment planning tool, where each treatment plan includes a plurality of treatment stages to move the patient's teeth from the initial arrangement toward a respective final arrangement, and where the plurality of treatment plans differ from each other based on one or more treatment factors; receiving, through a display, a comparison of a treatment stage of a first treatment plan of the plurality of treatment plans to a treatment stage of a second treatment plan of the plurality of treatment plans; and providing a user input selecting one of the first treatment plan or the second treatment plan based on the comparison.
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 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
84.
DENTAL APPLIANCES FOR CREATING OPPOSING COUNTER MOMENTS BETWEEN TEETH
A dental appliance may include a first plurality of tooth receiving cavities for anterior teeth and a first plurality of attachment receiving cavities shaped to impart a first plurality of forces and a first counter moment to the anterior teeth, the first plurality of forces being to direct at least one tooth in a posterior direction. The dental appliance may include a second plurality of tooth receiving cavities for posterior teeth and a second plurality of attachment receiving cavities to impart a second plurality of forces and a second counter moment the posterior teeth, the second counter moment being in a direction opposing the first counter moment. At least a portion of the second plurality of forces may be configured to oppose the first plurality of forces. The first counter moment and the second counter moment may be configured to be coupled to form a differential moment.
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
A61C 7/06 - Extra-oral force transmitting means, i.e. means worn externally of the mouth and placing a member in the mouth under tension
A method may include obtaining a plan model of a patient's teeth, obtaining a tracking model of the patient's teeth representing an arrangement at an intermediate stage of a treatment plan, generating a comparison of the plan model with the tracking model using a coarse to fine volume 3D array to represent one or both of the plan model and the tracking model, detecting one or more positional differences between anatomical reference shapes and surface features of the plan model and corresponding anatomical reference shapes and surface features of the tracking model based on the comparison and using the coarse to fine volume 3D array, generating a modified treatment plan based on the one or more detected positional differences, and fabricating a dental appliance based on the modified treatment plan.
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
Systems, methods, and devices for improved orthodontic treatment of a patient's teeth are provided herein. In some aspects, a method for fabricating an orthodontic appliance for treating a patient's teeth is disclosed. The method may comprise determining a movement path to move a tooth from an initial arrangement towards a target arrangement; determining a force system to move the tooth along the movement path; determining a variable gable bend to produce the force system; determining a geometry for a tooth receiving cavity of the appliance based on the variable gable bend; and generating instructions for fabricating the appliance having a tooth receiving cavity formed according to the geometry for the tooth receiving cavity.
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
Systems, methods, and devices for producing appliances for expansion of the palate of a patient are provided. A palate expanding orthodontic appliance comprises a teeth engagement portion comprising a plurality of teeth engagement structures and a force generating portion coupled to the teeth engagement portion and configured to apply force to cause the patient's palate to expand. The orthodontic appliances can be designed according to the specifications provided herein and manufactured using direct fabrication 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
G16H 20/40 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture
Methods and apparatuses for dental caries detection and communication. These methods and apparatuses may be used in real time, as part of an intraoral scanning system, or at any point following intraoral scanning. These methods and apparatuses may use a plurality of different images of the teeth, each having two or more fields (e.g., wavelengths such as visible light, near-infrared, fluorescent, etc.), and may use a trained pattern matching agent to detect possible caries centers from each image, then may project some or all of the possible caries centers onto a 3D model of the teeth to identify consensus caries and caries centers.
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
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
G16H 30/40 - ICT specially adapted for the handling or processing of medical images for processing medical images, e.g. editing
Methods and apparatuses for dental caries detection and communication. These methods and apparatuses may be used in real time, as part of an intraoral scanning system, or at any point following intraoral scanning. These methods and apparatuses may use a plurality of different images of the teeth, each having two or more fields (e.g., wavelengths such as visible light, near-infrared, fluorescent, etc.), and may use a trained pattern matching agent to detect possible caries centers from each image, then may project some or all of the possible caries centers onto a 3D model of the teeth to identify consensus caries and caries centers.
A method of three-dimensional (3D) printing includes heating a photo-curable material and extruding the photo-curable material from a nozzle of a dispenser to form a first layer of an object according to a digital file, wherein the first layer has a first shape specified by the digital file, and wherein the first shape has a first minimum line width based on a diameter of the nozzle. The method further includes directing a light beam onto the first layer according to the digital file or an additional digital file to cure a portion of the first layer, wherein the cured portion of the first layer has a second shape, wherein the second shape may comprise features that are smaller than the first shape. The light source is attached to the dispenser and is movable to adjust a direction of the light beam relative to the nozzle of the dispenser.
B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
B29C 64/188 - Processes of additive manufacturing involving additional operations performed on the added layers, e.g. smoothing, grinding or thickness control
A method includes generating a blurred color representation of an estimated post-treatment arrangement of teeth of an individual to be used for generation of a simulated color image of a post-treatment smile of the individual based on first depth information of a color image of a pre-treatment smile, color information of the color image of the pre-treatment smile, and a simulated colorless image of the estimated post-treatment arrangement of the teeth that comprises second depth information. The method further includes generating the simulated color image of the post-treatment smile of the individual based on the blurred color representation of the estimated post-treatment arrangement of the teeth and the simulated colorless image of the estimated post-treatment arrangement of the teeth.
Methods and systems for building a 3D model of teeth from a 2D image are provided, including: accessing a first 2D image depicting a patient's face and teeth; determining edges of one or more oral features in the first 2D image; obtaining an arch model including teeth with generic parameters; determining one or more case-specific parameters for a shape of at least one of the patient's teeth by fitting the teeth of the arch model to the edges of the one or more oral features in the first 2D image; generating a 3D parametric model of the patient's teeth by adjusting at least one of the teeth of the arch model based on the one or more case-specific parameters; and outputting the 3D parametric model or a second 2D image based on the 3D parametric model for display to a user on a display device.
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
B33Y 50/00 - Data acquisition or data processing for additive manufacturing
B33Y 80/00 - Products made by additive manufacturing
G09B 23/28 - Models for scientific, medical, or mathematical purposes, e.g. full-sized device for demonstration purposes for medicine
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
93.
DENTAL APPLIANCES WITH REINFORCED REPOSITIONING JAW ELEMENTS
The present disclosure provides method, computing device readable medium, and devices for dental appliances with repositioning jaw elements. An example of a removable dental appliance includes a shell having a number of tooth apertures configured to receive and reposition a number of teeth of a patient along one jaw of a patient, a repositioning jaw element that extends from a buccal or lingual surface of the shell, the element having a first outer surface oriented to face the tongue of the patient surface and a second outer surface oriented to face the cheek of the patient, and a reinforcement member formed along at least one of the first and second outer surfaces to provide reinforcement of the repositioning jaw element.
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
A61C 7/36 - Devices acting between upper and lower teeth
94.
FABRICATION OF DENTAL APPLIANCES FROM PHASE-SEPARATED COMPOSITIONS
Methods for fabricating orthodontic appliances are provided. In some embodiments, a method includes: providing a polymerizable composition, the polymerizable composition including an initial ratio of a first polymerizable component to a second polymerizable component; and applying a holographic pattern of radiation to the polymerizable composition to form a portion of an orthodontic appliance. The portion can include: a first region including a first ratio of the first polymerizable component to the second polymerizable component, the first ratio being different from the initial ratio; and a second region including a second ratio of the first polymerizable component to the second polymerizable component, the second ratio being different from the initial ratio and the first ratio.
A system for curing flowable dental material may include an intraoral scanner configured to capture 3D data, a dental-material-curing light source configured to emit curing light from the probe, a processor, and memory. The memory may include instructions that when executed by the processor cause the system to receive a 3D model of the dentition of the patient from a dental treatment plan, receive scan data of the dentition of the patient, and determine, while receiving the scan data, an area of illumination by the dental-material-curing light source with respect to a dentition of a patient, based on the received scan data.
A61C 13/15 - Curing devices for plastics prostheses for curing by the action of light
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
96.
ORTHODONTIC ALIGNERS AND METHODS OF DESIGNING AND FABRICATING ORTHODONTIC ALIGNERS BASED ON TOOTH SHAPE
A series of orthodontic aligners may be produced by a process including receiving a first position of at least one tooth of a patient for a first treatment stage of plurality of orthodontic treatment stages, determining a movement vector magnitude and direction for moving the at least one tooth from the first position towards a second position, analyzing a surface of the at least one tooth of the patient based on the determined movement vector, designing a first orthodontic aligner of the series of orthodontic aligners based on the analysis of the surface of the at least one tooth of the patient so that a physical orthodontic aligner, when in position on teeth of the patient at the first treatment stage, moves the at least one tooth from the first position towards the second position along the determined movement vector, and fabricating the physical orthodontic aligner.
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
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
A61C 7/02 - Tools for manipulating or working with an orthodontic appliance
A processing device of a system makes a comparison between a current image of an oral cavity of a patient and one or more previously received images of the oral cavity of the patient, the current image and the one or more previously received images having been generated by an intraoral scanner. The processing device determines an amount of overlap between a current field of view of the intraoral scanner and topography scans of the oral cavity based on the comparison. The processing device outputs a warning indicator associated with a positioning of the current field of view of the intraoral scanner responsive to determining that the amount of overlap fails to meet or exceed an overlap threshold.
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
In embodiments, a system for scanning an intraoral cavity comprises an intraoral scanner to generate intraoral scan data of the intraoral cavity and viewfinder images of the intraoral cavity, a display, and a processing unit operatively connected to the intraoral scanner and to the display. The processing unit is to: receive the intraoral scan data and the viewfinder images from the intraoral scanner; generate a three-dimensional (3D) digital model of the intraoral cavity using the intraoral scan data; output the 3D digital model to the display; output the viewfinder images to the display; determine which portions of the intraoral cavity have been scanned; determine a current field of view of the intraoral scanner; determine a visual indicator that provides guidance for positioning and orienting the field of view of the intraoral scanner; and output the visual indicator to the display.
H01S 5/183 - Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
A system includes a scanner comprising a light source to emit light onto an object, and an image sensor to form a sequence of images of the object under a plurality of different conditions. The system includes a computing device to perform a calibration of the scanner by determining, from the sequence of images, differences in measured coordinates for a plurality of points on the object under the plurality of different conditions, generating or updating one or more compensation models that compensate for inaccuracies of the intraoral scanner based at least in part on the differences in the measured coordinates for the plurality of points of the object between the plurality of different conditions, and storing the one or more compensation models. The one or more compensation models cause the intraoral scanner to be a calibrated intraoral scanner.
Devices, methods, and systems for placing dental auxiliaries on teeth are provided. In some embodiments, for example, a dental auxiliary positioner for placing a dental auxiliary on a tooth includes: a registration element configured to receive a patient's tooth; and an auxiliary support coupled to the registration element and further coupled to an auxiliary, where the auxiliary support is configured to position the auxiliary against a surface of the tooth, and where the auxiliary support includes a frame extending at least partially around the auxiliary, one or more struts coupling the auxiliary to the frame, and a flexible bridge coupling the frame to the registration element, where the flexible bridge is configured to bend in one or more directions relative to the tooth to adjust the position of the auxiliary on the surface of the tooth.
