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Basic Study | Publishing Language: Chinese | Open Access

Research of design and manufacturing technology of titanium personalized orthodontic bracket

Peng ZHANG1, Gong ZHANG2( ), Ya SHENG2,3, Chun-yu ZHANG2, Da-hong HUANG1
Foshan Stomatology Hospital, Foshan 528000, China
Guangzhou Institute of Advanced Technology, Chinese Academy of Science, Guangzhou 511458, China
School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, China
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Abstract

Objective

A titanium personalized orthodontic bracket is designed and manufactured using the technology of computed tomography (CT), computer aided design (CAD), finite element analysis (FEA), and selective laser melting (SLM) to well match the patient tooth so as to realize mold-free manufacturing.

Methods

A model of a titanium personalized orthodontic bracket which is built by CT scanning machine and Pro/E software, is imported into Ansys software to carry out finite element simulation analysis with nonlinear contact method. Then, the titanium personalized orthodontic bracket is proposed after the model data above is imported to SLM molding equipment via titanium powder melted with layer by layer using a high-speed scanning galvanometer.

Results

The maximum equivalent stress of the titanium personalized orthodontic bracket is distributed uniformly and reasonably, the titanium personalized orthodontic bracket formed by SLM molding equipment can provide high accuracy and there is a high similarity between the bottom of the orthodontic bracket and the tooth surface shape.

Conclusion

The combination of CT, CAD, FEA, SLM technology can fulfill model-free manufacturing of the personalized orthodontic bracket and thus shorten the manufacturing cycle.

Keywords

Orthodontic bracketTitaniumPersonalizedSelective laser meltingFinite element analysis
CLC number: R783.2 Document code: A Article ID: 2096-1456(2017)04-0216-07

References

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Journal of Prevention and Treatment for Stomatological Diseases
Volume 25 Issue 4,
April 2017
Pages 216-222
DOI: 10.12016/j.issn.2096-1456.2017.04.003

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Cite this article:
ZHANG P, ZHANG G, SHENG Y, et al. Research of design and manufacturing technology of titanium personalized orthodontic bracket. Journal of Prevention and Treatment for Stomatological Diseases, 2017, 25(4): 216-222. https://doi.org/10.12016/j.issn.2096-1456.2017.04.003

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Received: 05 April 2016
Revised: 10 October 2016
Published: 20 April 2017
© 2017 by Editorial Department of Journal of Prevention and Treatment for Stomatological Diseases

This article is licensed under a Creative Commons Attribution 4.0 International License.