A bone surface osseointegration-type dental screw comprises a base including a plurality of penetrating bodies, wherein each of the plurality of penetrating bodies includes: a first piercing surface inclined at a first angle with respect to a second base surface in a first circumferential direction of the edge of the second base surface of the base; a second piercing surface inclined at a second angle with respect to the second base surface in a second circumferential direction of the edge of the second base surface, the second circumferential direction being opposite to the first circumferential direction; a plurality of side piercing surfaces provided between the first piercing surface and the second piercing surface; and a tip formed between the first piercing surface, the second piercing surface, and the plurality of side piercing surfaces, and the second angle may be greater than the first angle.
A dental screw for osseointegration of a bone surface includes a base including a plurality of penetrating bodies, wherein the plurality of penetrating bodies includes a first piercing surface inclined at a first angle with respect to a second base surface in a first circumferential direction of an edge of the second base surface of the base, a second piercing surface inclined at a second angle with respect to the second base surface in a second circumferential direction of the edge of the second base surface, the second circumferential direction being opposite to the first circumferential direction, a plurality of side piercing surfaces between the first piercing surface and the second piercing surface, and a tip formed between the first piercing surface, the second piercing surface, and the plurality of side piercing surfaces, and wherein the second angle may be greater than the first angle.
A dental screw for osseointegration of a bone surface includes a base, a healing cap, and a handle. The base includes a penetrating body configured to penetrate into a bone. An area of the penetrating body at a proximal side of the base is smaller than an area of the penetrating body at a distal side of the base.
A bone surface osseointegration-type dental screw may comprise a base, a healing cap, and a handle. The base may comprise a penetrating body configured so as to penetrate bone. The area of the penetrating body at the proximal side of the base may be smaller than the area of the penetrating body at the distal side of the base.
The present invention provides an orthodontic device and a method for using the orthodontic device, the device comprising: a wire; a coating agent which is coating-treated on the external surface of the wire; and a fixing portion arranged on the coating agent and cured, wherein the coating agent is removed after the curing of the fixing portion, causing a gap between the wire and the fixing portion.
A teeth-straightening device for straightening a teeth part, according to one embodiment, may comprise: a bracket, which accommodates a wire disposed on the outer surface of the teeth part, and is attached to and disposed on the outer surface of the teeth part; a handle for supporting the bracket; and a connection part for separably connecting the bracket and the handle, wherein the connection part can separate the bracket from the handle after the bracket is loaded on the teeth part.
A wire coating device is disclosed. A wire coating device of the present invention may comprise: a wire holder unit for holding opposite ends of a wire; a fiber formation unit which includes a first fiber formation module and a second fiber formation module to which a high polymer solution is applied, wherein the first fiber formation module and the second fiber formation module face each other and form a fiber while moving toward or away from each other; and a control unit which controls the wire holder unit to adjust tension of the wire and controls the fiber formation unit to cross the wire over the fiber, wherein the fiber formation unit rotates the wire about the longitudinal axis thereof, the fiber is attached to the wire and coated when the wire and the fiber cross each other, and a method for wire coating includes a post-processing step so as to improve an adsorption state of coated fiber.
A device for coating a wire with polymer fibers and method thereof are provided. The device includes a wire holder unit fixing both ends of a wire, a fiber forming unit including a first fiber forming module and a second fiber forming module that receive a polymer solution, face each other, and form fibers while approaching each other and retreating from each other, and a control unit adjusting a tension of the wire by controlling the wire holder unit and crossing the wire and the fibers by controlling the fiber forming unit. The fiber forming unit rotates the wire along an axis which extends in a longitudinal direction of the wire. The fibers are attached and coated on the wire when the wire and the fibers cross each other. The wire coating method can improve an adsorption state of coated fibers by including a post-processing step.
B05C 5/02 - Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work from an outlet device in contact, or almost in contact, with the work
B05D 7/20 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to wires
H01B 3/44 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes vinyl resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes acrylic resins
H01B 13/00 - Apparatus or processes specially adapted for manufacturing conductors or cables
B05D 3/00 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
A wire coating method is disclosed. A wire coating device of the present invention comprises: a wire holder unit for fixing both ends of a wire; a fiber-forming unit comprising a first fiber-forming module and a second fiber-forming module, on which a polymer solution is coated and which face each other and form a fiber while approaching and retracting from each other; and a control unit for controlling the wire holder unit to adjust the tension of the wire, and controlling the fiber-forming unit to cross the wire with respect to the fiber, wherein the fiber-forming unit rotates the wire about the length direction of the wire as an axis, and when the wire and the fiber cross each other, the fiber is attached to the wire and coated. The wire coating method includes a post-treatment step, thus allowing the adsorption state of the coated fiber to be improved.
Dental braces according to one embodiment of the present invention comprise: wires for straightening teeth; a coating agent coated on the outer surfaces of the wires; and fixing parts for fixing the wires, coated with the coating agent, on the surfaces of the teeth and fixing the wires such that the wires can move along the longitudinal direction of the wire, wherein the coating agent coated on the wires is removed from the wires after the coating agent is covered with the fixing part, such that a clearance gap can be formed between the fixing part and the wire, thereby enabling accurate and smooth teeth-straightening.
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