Memoirs of the Faculty of Engineering, Yamaguchi University

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Memoirs of the Faculty of Engineering, Yamaguchi University Volume 41 Issue 2
published_at 1991-03

A FEM approximate solution of the biting force distribution for the human natural tooth and mandible combination and the discussion of the design of artificial metal tooth roots for implant

天然歯と下顎骨の咬合力分布FEMモデル解および人工歯根の設計について
Takimoto Akio
Yamane Toshio
Tanaka Shigeki
Fujii Toshio
Iwatani Kenji
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About This Article
Descriptions
For the human tooth implant, the various designs of artificial metal tooth roots have been used widely. The lower jaw ordinary moves much more than the upper jaw at the biting action, and the biting force distribution in the mandible implanted a tooth root decides if the implant works for a long period or not. Then, it is very important to implant a tooth root so that the biting force in mandible will be distributed as closely as possible to those of the natural tooth and mandible combination. The actual biting force distribution in mandible of a person can never be obtained and we employed a two-dimensional FEM model of a tooth and its underneath mandible section. This model consists of following eight parts
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