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IP Indian Journal of Orthodontics and Dentofacial Research


Comparative assessment of bone stress associated with miniplates and mini-implants used for orthodontic anchorage: A finite element study


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Author Details : Satyabrata Das, Goutham N., Nitin R. Khargekar, Arora Chiragkumar K.

Volume : 2, Issue : 4, Year : 2016

Article Page : 154-159


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Abstract

Objective: To assess and compare bone stress associated with various miniplates and mini-implant systems by using finite element analysis.
Materials and Methods: Bone stress associated with various miniplate and mini-implant systems were compared and assessed by using finite element analysis and taking into account a number of variables, which play an important role in the success, and failure of such TAD systems.
Results: Peak von Mises stresses in cortical and cancellous bones for Miniplate Base Model are 18.43 MPa and 1.735 MPa respectively and for Mini-Implant Base Model are 1.621 Mpa and 0.2645 MPa respectively.
Conclusion: Bone stress due to miniplate is more compared to mini-implant. Bone stress decreases with increased cortical thickness, increases with increased force magnitude. Highest bone stress is due to I-type followed by L-type, Y-type and T-type miniplate. Increased miniplate fixation screw length for miniplate or mini-implant length doesn't have significant effect on bone stress. Bone stress decreases as mini-implant diameter increases.

Keywords:
Miniplate, Mini-implant, Bone Stress, Finite Element Analysis

How to cite : Das S, Goutham N., Khargekar N R, Arora Chiragkumar K., Comparative assessment of bone stress associated with miniplates and mini-implants used for orthodontic anchorage: A finite element study. IP Indian J Orthod Dentofacial Res 2016;2(4):154-159

Copyright © 2016 by author(s) and IP Indian J Orthod Dentofacial Res. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0) (creativecommons.org)