Proposed is a manufacturing method of a retainer provided with a body part having a first surface being in contact with a teeth surface of a plurality of teeth forming a teeth arrangement so as to support the teeth arrangement. The manufacturing method includes a process of acquiring three-dimensional scanning data of the teeth arrangement, a data processing process in which processing line data for manufacturing the body part are generated, and a laser cutting process in which a body forming part is manufactured from a base material formed of a shape memory alloy material. In the data processing process, tangential lines that extend along the teeth surface of the teeth arrangement are formed and collected, and a first processing line formed by connecting, to each other, tangential line portions in a tangential line group body and a second processing line spaced apart from the first processing line are generated.
Proposed is a retainer and a method for manufacturing the retainer. The retainer has a body which is in close contact with a tooth arrangement and which is formed of a shape memory alloy material. The body is manufactured by being laser cut from a base material of the shape memory alloy material on the basis of 3D scanning data of the tooth arrangement and then a width thereof is modified. The method includes a process of acquiring three-dimensional data of the tooth arrangement, a data processing process of generating processing line data on the basis of the scanning data, a laser cutting process of manufacturing a body forming part by laser cutting the shape memory alloy material, and a width modification process of thermally treating the body forming part after expanding or reducing and fixing the body forming part so that the width thereof is widened or narrowed.
Proposed is a regainer including a body part which is integrally formed of a shape memory material and supports teeth at opposite sides of tooth loss space, wherein the body part includes a first grip part which covers a portion of a perimeter of a tooth disposed at a first side relative to the tooth loss space, a second grip part which covers a portion of a perimeter of a tooth disposed at a second side relative to the tooth loss space, and a bridge which connects the first grip part with the second grip part and elastically supports the first grip part and the second grip part, wherein the bridge is formed in a form bent multiple times in the tooth loss space.
A61C 7/14 - BracketsFixation des brackets aux dents
A61C 7/00 - Orthodontie, c.-à-d. obtention ou maintien de la position désirée des dents, p. ex. par redressage, nivellement, ajustement, séparation, ou par correction des malocclusions
4.
REMOVABLE RETAINER AND MANUFACTURING METHOD THEREFOR
Proposed is a removable retainer including a body part that is formed of a shape memory alloy material and has a front surface in close contact with the outer tooth surface of each tooth, and a fixing part coupled to the body part and fixing the body part, wherein the body part includes a curved protrusion part formed to protrude toward an interdental space to be inserted into the interdental space, and multiple support parts. A manufacturing method of the removable retainer includes a step of acquiring three-dimensional scanning data, a data processing step of generating first and second processing lines, a laser cutting step of laser cutting a flat plate-shaped base material to form a body-part forming part, a shape processing step of cutting the body-part forming part, and a fixing part coupling step of coupling the manufactured body part and the manufactured fixing part to each other.
Proposed is an adhesive retainer including a body part which is formed of a shape memory alloy material and has a front surface in close contact with and attached to each tooth, wherein the body part includes a curved protrusion part which is formed to protrude toward an interdental space so as to be inserted into the interdental space, and multiple support parts having front surfaces which are in close contact with tooth surfaces of teeth outside the interdental space. A manufacturing method of the adhesive retainer includes a step of acquiring three-dimensional scanning data about a tooth arrangement, a data processing step of generating a first processing line and a second processing line, a laser cutting step of laser cutting a flat plate-shaped base material based on processing line data to form a body-part forming part, and a shape processing step of cutting the body-part forming part.
A61C 7/08 - Appareils de contention du type épousant la forme de la bouche
A61C 7/00 - Orthodontie, c.-à-d. obtention ou maintien de la position désirée des dents, p. ex. par redressage, nivellement, ajustement, séparation, ou par correction des malocclusions
B23K 26/00 - Travail par rayon laser, p. ex. soudage, découpage ou perçage
B23K 26/38 - Enlèvement de matière par perçage ou découpage
Proposed are a spacer and a method of manufacturing the spacer. The spacer includes a body portion configured as a single structure and formed of a shape memory material, the body portion supporting teeth at both sides of a tooth loss space. Furthermore, the body portion includes a first grip portion surrounding a part around a tooth disposed at a first side with respect to the tooth loss space, a second grip portion surrounding a part around a tooth disposed at a second side with respect to the tooth loss space, and a bridge connecting the first grip portion and the second grip portion to each other. Furthermore, the first grip portion and the second grip portion have curved shapes open toward directions opposite to each other. Furthermore, the method includes a data obtaining process, a data processing process, and a laser cutting process.
A retainer according to an embodiment of the present invention is configured such that a body that is to be in close contact with a teeth arrangement is formed of a shape memory alloy material as a one piece unit, wherein the body is manufactured by means of being laser-cut from a base material of the shape memory alloy material on the basis of 3D scanning data of the teeth arrangement and then the width thereof being deformed to correct at least a shape error caused by the laser cutting. A method for manufacturing a retainer according to an embodiment of the present invention comprises: a step of acquiring three-dimensional scanning data of a teeth arrangement; a data processing step of generating cutting line data that defines a laser cutting shape on the basis of the scanning data; a laser cutting step of laser-cutting a shape memory alloy material on the basis of the cutting line data to manufacture a body forming part; a width deformation step of heat-treating the body forming part after expanding or reducing the width of the body forming part and fixing same.
A61C 7/00 - Orthodontie, c.-à-d. obtention ou maintien de la position désirée des dents, p. ex. par redressage, nivellement, ajustement, séparation, ou par correction des malocclusions
A61C 9/00 - Méthodes de prise d'empreintes spécialement conçues pour les prothèses dentairesPorte-empreintes à cet effet
A61C 13/00 - Prothèses dentairesLeurs procédés de fabrication
B23K 26/38 - Enlèvement de matière par perçage ou découpage
A61C 7/08 - Appareils de contention du type épousant la forme de la bouche
8.
ADHESIVE RETAINER AND MANUFACTURING METHOD THEREFOR
An adhesive retainer according to the present invention comprises a body part which is formed of a shape memory alloy material, and which has a front surface closely attached to each tooth, wherein the body part comprises: a curved protrusion which is formed to protrude toward an interdental space so as to be inserted into the interdental space, and which has a front surface in close contact with the inner tooth surfaces of a plurality of teeth forming the interdental space; and a plurality of supports having front surfaces in close contact with the tooth surface of each tooth on the outside of the interdental space. A method for manufacturing an adhesive retainer, according to the present invention, comprises: a step of acquiring three-dimensional scanning data about a teeth arrangement; a data processing step of generating a first processing line extending along the tooth surfaces and interdental spaces of each tooth, and a second processing line spaced rearward from the first processing line; a laser cutting step of laser-cutting a flat base material on the basis of processing line data so as to form a body forming part; and a shape processing step of cutting and processing the body forming part.
A removable retainer according to the present invention comprises: a body part that is formed of a shape-memory alloy material and has a front surface that is in close contact with the outer tooth surface of each tooth in the oral cavity; and a fixing part that is coupled to the body part and fixes the body part, wherein the body part comprises: a curved protrusion part that is formed to protrude toward an interdental space so as to be inserted into the interdental space and has a front surface that is in close contact with the inner tooth surfaces of a plurality of teeth forming the interdental space; and a plurality of support parts having front surfaces that are in close contact with the tooth surface of each tooth outside the interdental space.
The present invention relates to a method for manufacturing a retainer by laser-cutting a shape memory alloy on the basis of two-dimensional data in which the inclination of each tooth, the curvature of teeth, and the shape of the gap between teeth are all reflected on the basis of data acquired by three-dimensional scanning of the teeth arrangement.
A61C 9/00 - Méthodes de prise d'empreintes spécialement conçues pour les prothèses dentairesPorte-empreintes à cet effet
B23K 26/38 - Enlèvement de matière par perçage ou découpage
B23K 37/04 - Dispositifs ou procédés auxiliaires non spécialement adaptés à un procédé couvert par un seul des autres groupes principaux de la présente sous-classe pour maintenir ou mettre en position les pièces
The present invention relates to a removable retainer manufactured by laser-cutting a shape-memory alloy, the removable retainer reflecting all of inclines of each tooth, curved forms of teeth, and interdental forms on the basis of data formed by three-dimensionally scanning a teeth arrangement, thereby fully coming into close contact with each tooth without gaps and having a removable form of being separable from the teeth.
The present invention relates to an adhesive retainer which is manufactured by laser-cutting a shape memory alloy, in which all of a tooth-specific inclination, a tooth curve shape, and an interdental shape are reflected on the basis of data obtained by three-dimensionally scanning the arrangement of teeth, so that the adhesive retainer is in completely close contact with each tooth without any gap.
The present invention relates to a method for reattaching teeth separated from a retainer, in which by using a retainer that is produced by laser cutting a shape memory alloy, and is completely in close contact with the respective teeth without gaps due to the inclination of each tooth, the shape of curvatures of the teeth, and the interdental shape all being reflected on the basis of 3D scanned data of teeth arrangement, when a specific tooth is separated from the retainer, the separated tooth can be gradually returned to the original arrangement of teeth by using the shape-restoring property of the shape memory alloy by pressing the retainer toward the separated tooth and then reattaching the retainer.
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