A three-dimensional finite element analysis of the tip mechanical capabilities of self-ligating brackets with double wires

doi:10.3969/j.issn.2095-4344.2017.34.007

Abstract

Abstract:

BACKGROUND: At present, the using of self-ligating brackets is more and more extensive. But it is unclear about the rules and mechanisms underlying the tooth control by double wires in three dimensions, especially in tipping.

OBJECTIVE: Using the finite element method to establish different three-dimensional finite models of DamonQ brackets and archwires with different sizes, and then to explore the tip mechanical properties when using double wire technique.

METHODS: Different three-dimensional finite models of DamonQ brackets and archwires with different sizes were established by Pro/E Wildfire5.0. The models were assembled and imported to MSC.Marc.Mentat2005R3 followed by simulating the tip load, calculating torque moment and drawing the corresponding graph and histogram.

RESULTS AND CONCLUSION: (1) With tipping movement of single wire, tipping moment of auxiliary single archwires was multiplied by the same size as main archwires. (2) With tipping movement of double wires, the tip moment value increased when the size of the main or auxiliary archwire increased, and the influence of the size of the auxiliary archwire was greater than that of the main archwire. (3) When the tilt angle is large, we can simply level the tooth using the main archwire first, and then precisely adjust the tooth position with double wires. And in the clinical pratice, orthodontists can choose the appropriate size of double wires according to their needs.

中国组织工程研究杂志出版内容重点：生物材料；骨生物材料; 口腔生物材料; 纳米材料; 缓释材料; 材料相容性；组织工程

Key words: Tissue Engineering, Biocompatible Materials, Finite element analysis

CLC Number:

R318

Zhou Rong, He Song, Wu Xi, Bai Rui, He Han, Huang Yue.

A three-dimensional finite element analysis of the tip mechanical capabilities of self-ligating brackets with double wires

[J]. Chinese Journal of Tissue Engineering Research, 2017, 21(34): 5449-5454.

Figures/Tables 6

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