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Tooth arranging method in orthodontics

An orthodontic and dental technology, applied in orthodontics, dentistry, prosthetics, etc., can solve the problems of low accuracy and operability of tooth arrangement, rough tooth arrangement process, low tooth arrangement efficiency, etc., so as to improve the treatment Success rate, shortening treatment time, improving the effect of precision

Active Publication Date: 2018-06-29
上海牙典医疗器械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is a complex problem to realize the arrangement of teeth in the three-dimensional space environment in the virtual orthodontic system
The existing methods have the following problems: (1) The tooth root is not considered in the process of measurement and analysis, and only the information of the crown is used, which may cause the tooth root to move outside the cortex during and after treatment; (2) The relatively rough tooth arrangement process And fewer constraints lead to lower rowing accuracy and operability
[0005] In the prior art, each tooth needs to be operated individually during the tooth arrangement process, the degree of automation is low, and the tooth arrangement efficiency is also low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] The invention discloses an orthodontic tooth arrangement method, comprising the following steps:

[0055] S1. Measure and analyze the information of the teeth and jaws, and obtain the deformity parameters of the teeth; including the following steps:

[0056] S101. Acquiring a three-dimensional digital model of the overall dental jaw and each single tooth, specifically including:

[0057] Obtain a three-dimensional model of the tooth and jaw through a 3D scanning device;

[0058] Segmenting the three-dimensional model of the jaw, obtaining three-dimensional models of all teeth and crowns, and obtaining the shape and angle information of the crowns;

[0059] Obtain dental image information and get root length information;

[0060] The dental and jaw image information is CT data or XRay data;

[0061] According to the shape of the crown, the angle information and the length information of the root, obtain the 3D model of the whole tooth (including the crown and the root...

Embodiment 2

[0102] The invention discloses an orthodontic tooth arrangement method, comprising the following steps:

[0103] S1. Measure and analyze the information of the teeth and jaws, and obtain the deformity parameters of the teeth; including the following steps:

[0104] S101. Acquiring a three-dimensional digital model of the overall dental jaw and each single tooth, specifically including:

[0105] Obtain a three-dimensional model of the tooth and jaw through a 3D scanning device;

[0106] Segmenting the three-dimensional model of the jaw, obtaining three-dimensional models of all teeth and crowns, and obtaining the shape and angle information of the crowns;

[0107] Obtain dental image information and get root length information;

[0108] According to the shape, angle information and root length information of the crown, obtain the three-dimensional model of the whole tooth, that is, the initial jaw model (including the crown and the root);

[0109] Calculate and obtain the cu...

Embodiment 3

[0167] The invention discloses an orthodontic tooth arrangement method, comprising the following steps:

[0168] S1. Measure and analyze the information of the teeth and jaws, and obtain the deformity parameters of the teeth; including the following steps:

[0169] S101. Acquiring a three-dimensional digital model of the overall dental jaw and each single tooth, specifically including:

[0170] Obtain a three-dimensional model of the tooth and jaw through a 3D scanning device;

[0171] Segmenting the three-dimensional model of the jaw, obtaining three-dimensional models of all teeth and crowns, and obtaining the shape and angle information of the crowns;

[0172] Obtain dental image information and get root length information;

[0173] According to the shape of the crown, the angle information and the length information of the root, obtain the 3D model of the whole tooth (including the crown and the root);

[0174] Calculate and obtain the current arch shape of the jaw acco...

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Abstract

The invention discloses a tooth arranging method in orthodontics. By intelligent quantitative analyses, a reference scheme is provided for an orthodontic process, so that the scheme design process canbecome more convenient and fast, the orthodontic scheme is more accurate, the orthodontic treatment time is reduced, and the treatment success rate is improved.

Description

technical field [0001] The invention relates to the field of orthodontics, in particular to an orthodontic tooth arrangement method. Background technique [0002] Oral disease is a common multiple disease. According to the statistics of the World Health Organization, malocclusion has become one of the three major oral diseases (dental caries, periodontal disease and malocclusion). Dental deformities have a great impact on oral health, oral function, development and appearance of maxillofacial bones. Orthodontics has been recognized as an essential and important part of oral health care. Traditional orthodontic treatment mainly relies on the doctor's experience to formulate a treatment plan. Orthodontics is aimed at tooth alignment deformity or malocclusion, using fixed orthodontic appliances composed of arch wires, brackets, etc., or invisible removable orthodontic appliances such as braces, to apply three-dimensional orthodontic force and torque to teeth, and adjust faci...

Claims

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Application Information

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IPC IPC(8): A61C7/00A61C19/04
CPCA61C7/002A61C19/04
Inventor 李鹏周迪曦田烨
Owner 上海牙典医疗器械有限公司
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