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Optimization of configuration of attachment in tooth translation with transparent tooth correction by appropriate moment-to-force ratios: Biomechanical analysis

Issue title: Frontiers in Biomedical Engineering and Biotechnology – Proceedings of the 4th International Conference on Biomedical Engineering and Biotechnology, 18–21 August 2015, Shanghai, China

Guest editors: Feng Liu, Dong-Hoon Lee, Ricardo Lagoa and Sandeep Kumar

Article type: Research Article

Authors: Cai, Yongqinga; * | He, Bingweib | Yang, Xiaoxiangb | Yao, Junc

Affiliations: [a] Department of Chemical Engineering, Fuzhou University, Fujian, China | [b] Department of Mechanical Engineering, Fuzhou University, Fujian, China | [c] Department of Affiliated Hospital of Stomatology, Fujian Medical University, Fujian, China

Correspondence: [*] Address for correspondence: Yongqing Cai, Department of Chemical Engineering, Fuzhou University, #2 Xueyuan Road, Minhou County, Fuzhou City, Fujian Province, China. Tel.: +8615806033423; Fax: 0591-22866867; E-mail: caiyongqing33@126.com.

Keywords: Optimization configuration, attachments, orthodontic aligner, force system

DOI: 10.3233/BME-151340

Journal: Bio-Medical Materials and Engineering, vol. 26, no. s1, pp. S507-S517, 2015

Published: 2015
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Transparent tooth correction treatment is an esthetic alternative to traditional orthodontic treatment. Recently, attachments were introduced in transparent tooth correction treatments to improve the predictability of orthodontic movement. In order to optimize the attachment configuration, the force delivery system of attachments in orthodontic aligner treatment was analyzed. Based on mechanical principles, such as the synthesis theorem of force system, Varignon theorem, and the theorem of force translation, the force system of attachment was analyzed. How the attachments affected the orthodontic treatment was investigated. The attachments’ force system Fr,Ft,Mr and Mt was determined. The optimum attachment for translation and controlled tipping movement was conceived. The attachments can be designed and placed appropriately to improve tooth movement.

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