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Critical Reviews™ in Biomedical Engineering
SJR: 0.26 SNIP: 0.375 CiteScore™: 1.4

ISSN 印刷: 0278-940X
ISSN オンライン: 1943-619X

Critical Reviews™ in Biomedical Engineering

DOI: 10.1615/CritRevBiomedEng.v28.i34.110
pages 411-420

Stress Analysis of an Artificial Temporal Mandibular Joint

Amit Roychowdhury
Department of Aerospace Engineering and Applied Mechanics, Indian Institute of Engineering Science and Technology, Shibpur, India
S. Pal
School of BioScience and Engineering, Jadavpur University, Calcutta-700 032

要約

To design a temporal mandibular joint (TMJ), the designer should pay attention to the range of movement in the joint, the strength of the joint, and the size of the implant should conform, so that it does not hamper facial configuration. As a number of designs are available, in this study we have considered one of the most common and widely used implants for analysis.
The main objective of this study is to examine the stress-strain behavior at the implant and what is happening at the implant bone interface. We have also examined whether implant material can be replaced by UHMWPE (ultra high molecular weight polyethylene) instead of titanium or Co-Cr-Mo alloy. Whether the change of positions of the screw used for fixation has any effect or not, we have modeled it considering actual shape and size, then divided it into number finite elements by using a FEM package. An appropriate surgical construct was modeled and loaded and studied for different parameters. We have shown that the metallic prostheses are good from a stress-strain point of view and UHMWPE cannot be used as such.


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