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[Establishing a FEM of mandibular first molar and stress analysis]
1Department of Oral Medicine Ninth People's Hospital School of Stomatology, Shanghai Second Medical University, Shanghai 200011, China. hj1221@online.sh.cn
Objective:
Establishing a finite element model of mandibular first molar with analysis of the stress distribution to each of the tooth parts on the model.
Methods:
The right mandibular first molar in vitro was scanned and the image was processed. The three dimensional finite-element model was established by the special software and loaded on it.
Results:
Stress distribution on each part of the tooth was obtained. The maximum values of compressive stress, tensile stress and mises stress were calculated.
Conclusion:
In the research and analysis of the tooth stress, the finite element method is simple, effective, safe and reliable.
