Manufacture method of individual orthodontic appliance for tongue

A manufacturing method and appliance technology, applied in brackets and other directions, can solve the problems of the appliance base plate being far away from the tooth surface, inaccurate control of orthodontic force, difficult clinical operation, etc. Short, good anchorage stability

Active Publication Date: 2010-02-17
GUANGZHOU RITON BIOMATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the curvature of the tooth surface changes greatly, more adhesives are needed, causing the bottom plate of the appliance to be far away from the tooth surface, making the patient feel uncomfortable and easy to loosen, which will eventually affect the orthodontic effect, and the clinical operation is difficult
Removable appliances have a simple structure and can be removed and worn by themselves, which is beneficial to the maintenance of oral hygiene, but the control of the orthodontic force is not precise enough

Method used

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  • Manufacture method of individual orthodontic appliance for tongue
  • Manufacture method of individual orthodontic appliance for tongue
  • Manufacture method of individual orthodontic appliance for tongue

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0035] refer to figure 1 , the manufacturing method of personalized lingual orthodontic appliance, it is characterized in that comprising the following steps:

[0036] (1) Take more than two sets of original dental models and arrange the teeth on one of the sets of dental models;

[0037] (2) convert the arranged dental model and a pair of original dental models into an STL model or a three-dimensional CAD model and store them in the computer;

[0038] (3) Import the STL model or 3D CAD model of the arranged dental model into the 3D CAD design software, take the plane of the arch wire, draw the CAD plane model of the arch wire shape on the plane according to the shape of the dental arch, and then draw the CAD plane model of the arch wire according to the STL model or 3D CAD model to design a personalized bracket base plate, and then design the appliance wings and grooves according to the drawn arch wire shape and direction, and finally obtain a complete bracket CAD model;

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Abstract

The invention discloses a manufacture method of an individual orthodontic appliance for a tongue, comprising the following steps: taking dental casts; manually arranging teeth for the dental casts; establishing a three-dimensional CAD model; plotting a plane of an arch wire and the arch wire; designing a single bracket CAD structural model; guiding the model into a quick wax model machine to obtain a wax model of the orthodontic appliance; casting the wax model to obtain a bracket after necessary surface treatment; putting the single bracket CAD structural model on the CAD models of original dental casts in a matching mode to obtain an integral CAD model; guiding the quick wax model machine to make the wax model; pressing a film of the wax model machine to obtain a positioning transfer tray and curving the arch wire according to a picture. The method can be used for realizing individual production according to individual requirements, and the prepared orthodontic appliance has the advantages of good matching with tooth shapes, high precision and permanence without deformation, is suitable for patients to wear for long and has small thickness, good supporting stability and convenient clinical operation. The method is widely applied to the production process of the orthodontic appliance.

Description

technical field [0001] The invention relates to a manufacturing technology of an orthodontic appliance for correcting teeth, in particular to a rapid prototyping manufacturing method of a DLP digital image projection technology for an individualized lingual orthodontic appliance. Background technique [0002] In order to align the irregular teeth, orthodontic technology is widely used in clinical applications. The lip multi-bracket orthodontic system has been continuously improved, and its appearance and size have basically stabilized. With the increase of adult patients, the aesthetics of orthodontic materials and techniques has become an important indicator for the selection of bracket systems. Although improvements in miniaturized brackets, ceramic or plastic transparent materials have been made in the fixed orthodontic system of labial brackets, the orthodontic appliance has not been able to truly achieve the invisible effect. The lingual appliance should be the most i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61C7/12
Inventor 黄伟红孔卫东林巍杨永强王红卫
Owner GUANGZHOU RITON BIOMATERIAL
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