A comparison of the peri-implant bone stress generated by the preload with screw tightening between ‘bonded’ and ‘contact’ model

Maki Matsuzaki, Yasunori Ayukawa, Nobuo Sakai, Tatsuya Matsuzaki, Yasuyuki Matsushita, Kiyoshi Koyano

研究成果: Contribution to journalArticle査読

2 被引用数 (Scopus)

抄録

A number of finite element analyses (FEAs) for the dental implant were performed without regard for preload and with all interfaces ‘fixed-bonded’. The purpose of this study was comparing the stress distributions between the conventional FEA model with all contacting interfaces ‘fixed-bonded’ (bonded model) and the model with the interfaces of the components in ‘contact’ with friction simulated as a preloaded implant (contact model). We further verified the accuracy of the result of the FEA using model experiment. In the contact model, the stress was more widely distributed than in the bonded model. From the model study, the preload induced by screw tightening generated strain at the peri-implant bone, even before the application of external force. As a result, the bonded model could not reproduce the mechanical phenomena, whereas the contact model is considered to be appropriate for analysing mechanical problems.

本文言語英語
ページ(範囲)393-402
ページ数10
ジャーナルComputer Methods in Biomechanics and Biomedical Engineering
20
4
DOI
出版ステータス出版済み - 3 12 2017

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Biomedical Engineering
  • Human-Computer Interaction
  • Computer Science Applications

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