Evaluation of the biomechanical characteristic of tooth supporting structure under occlusal load

Li Mei Ren, Wen Xue Wang, Yoshihiro Takao, Zhao Xiang Chen

研究成果: Contribution to journalArticle査読

2 被引用数 (Scopus)

抄録

In this work the mechanical response of tooth supporting structure to the occlusal load was analyzed by means of finite element analysis. The attribution of the cementum-dentine junction (CDJ) and cementum to the stress distribution was investigated. Models of block-shape mandible included a premolar with/without cementum-dentine junction (CDJ) and cementums in the supporting structures were constructed. For each case, a load of 50 N was applied to the crown at a 45-degree angle to the long axis of the tooth. The present finite element analyses indicated that incorporation of CDJ and cementum resulted in decreases in the stress levels. These two tissues are important in absorbing and distributing stress thus they should be considered in analyzing the load transfer characteristics within the tooth supporting structure. In addition, this study proved that it is feasible to simplify the finite element model by employing the modified Young's modulus of PDL to realize the function of CDJ. Moreover, an attempt to correlate the results of the current study with the dental implant designing was made.

本文言語英語
ページ(範囲)298-305
ページ数8
ジャーナルFuntai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy
57
5
DOI
出版ステータス出版済み - 5 2010

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering
  • Industrial and Manufacturing Engineering
  • Metals and Alloys
  • Materials Chemistry

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