Comparative assessment of bone stress associated with miniplates and mini-implants used for orthodontic anchorage: A finite element study
Journal Title: IP Indian Journal of Orthodontics and Dentofacial Research - Year 2016, Vol 2, Issue 4
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.
Authors and Affiliations
Satyabrata Das, Goutham N, Nitin R. Khargekar, Arora Chiragkumar K.
Keywords
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