Two-dimensional Finite Element Stress Analysis on the Effect of Bending Position of Blade Type Dental Implant.

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  • Hashimoto Kazuo
    The Nippon Dental University, School of Dentisry at Niigata Department of Crown and Bridge
  • Komatsu Shigeki
    The Nippon Dental University, School of Dentisry at Niigata Department of Crown and Bridge
  • Hata Yoshiaki
    The Nippon Dental University, School of Dentisry at Niigata Department of Crown and Bridge

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Other Title
  • ブレードタイプインプラントのベンディング位置の違いによる２次元有限要素応力解析

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Abstract

This study was to investigate the stress distribution in the peripheral bone tissue of the post of the blade type implant under changing various bending positions by using two-dimensional finite element method analysis and the following conclusions were obtained: 1) As the bending position of the post of the implant being away from the cortical bone surface, maximum principal compressive strength value and its range were decreased. 2) In the relation of the implant body and its peripheral supporting tissue, stresses concentrated at the cortical bone in the bone contact condition. 3) In the relation of the implant body and its peripheral supporting tissue, stresses concentrated at the fibrosis tissue intermediating condition. Moreover these stresses spreaded from the cortical bone to the cancellous bone area. Therefore the design which must be bent the post of the implant, the bending portion should be away from the cortical bone surface.

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