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Optimization method of invisible orthodontic appliance

A technology of invisible appliance and optimization method, applied in the field of optimization, can solve the problems that the size, direction and action position of the orthodontic force affect anchorage, fail to achieve the orthodontic effect, affect the orthodontic effect, etc., achieve the best orthodontic effect, and promote dental Weekly organization reconstruction, to ensure the effect of simulation authenticity

Inactive Publication Date: 2020-03-27
西安博恩生物科技有限公司
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AI Technical Summary

Problems solved by technology

[0004] 1. The orthodontic force generated by elastic deformation may not only act on the orthodontic teeth, but may also act on the anchorage teeth if it is not reasonably controlled, resulting in the loss of the anchorage part and failing to achieve the orthodontic effect;
[0005] 2. The size, direction and action position of the correction force directly affect the control of anchorage, thereby affecting the correction effect;
[0006] 3. The force acting on the aligner must be balanced, and the improper area of ​​the balance force will also lead to wrong correction

Method used

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Embodiment Construction

[0037] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0038] see figure 2 , an optimization method for an invisible aligner, comprising:

[0039] 1) Establish a three-dimensional digital model of the jaw based on reverse engineering, and establish a model of the invisible appliance without brackets;

[0040] 2) Determine the tooth movement method, set the method of applying load to the teeth during the correction of deformed teeth, and select the appropriate orthodontic force;

[0041] 3) Assemble the jaw model and appliance model, such as figure 1 As shown, the finite element analysis of the clear aligner was carried out;

[0042] 4) Analyze and optimize the stress on periodontal tissue and invisible aligners;

[0043] 5) Theoretical design and anchorage control of invisible aligners.

[0044]Using finite element software to simulate the tooth movement process to indirectly shape, establish ...

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Abstract

The invention discloses an optimization method of an invisible dental appliance. The optimization scheme of the invisible dental appliance is reasonable; modelling is indirectly performed through simulating the tooth moving process by finite element software, so that a continuous invisible appliance model which conforms to the actual shape is established, and the continuous invisible appliance model is accurately assembled in a dental model; the integrated effect of an invisible correcting technology to dentition can be researched, and the optimization scheme is applied based on set constraintconditions and a nonlinear finite element analysis method, so that the simulation authenticity of the invisible appliance model is guaranteed; the stressing situation of periodontium and the invisible appliance is analyzed and optimized, the correcting force exerting region is controlled, the stress distribution of anchorage teeth is reduced, counter-acting force is dispersed through balancing force acting on the appliance, the mechanical anchorage consumption is educed, optimal correcting force is exerted, the reconstruction of the periodontium is effectively promoted, ideal moving of the teeth is produced, and the best correcting effect is achieved.

Description

technical field [0001] The invention relates to an optimization method, in particular to an optimization method of an invisible dental appliance, and belongs to the technical field of orthodontic methods. Background technique [0002] The main method of correcting malocclusion is to apply appropriate corrective force to the misplaced teeth, so that they can move to the correct position and rebuild a coordinated, healthy and stable jaw relationship. Therefore, the force movement of teeth is the basic step of orthodontic treatment. Compared with the traditional fixed orthodontic technology, the invisible orthodontic technology without brackets no longer relies on the deformation of the arch wire, spring or rubber ring to generate the orthodontic force, but continuously applies the orthodontic force generated by the elastic deformation of the appliance material to the teeth to be moved. So as to achieve the purpose of correction. [0003] When the orthodontic force is applied ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61C7/00
CPCA61C7/002
Inventor 汪焰恩李欣培张驰毛海龙
Owner 西安博恩生物科技有限公司
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