Prediction of Stress Distribution in Mandibular Bone Treated with Distal-Extension Partial Denture Using Finite Element Analysis

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This paper describes the feasibility of using finite element analysis to predict stress distributions in mandibular bone treated with a distal-extension partial denture, compared with conventional photoelastic method. A finite element model was constructed based on the CT scan data of the three-dimensional photoelastic model, which was anatomically realistic replica of a patient mandibular bone with teeth. A vertical loading was applied to a specially designed metal pyramid mounted on the first molar region to mimic functional movements of the partial denture. The numerical results showed that higher stress was observed in the apical and distal sides of the abutment teeth, which was the similar tendency to the experimental results obtained by the photoelastic method. Moreover, stress distributions depended on the variety of loadings applied to the different point of the pyramid. The present analysis may give a better prediction of stress distributions in patient mandibular bone than the photoelastic method.

収録刊行物

  • 実験力学 : journal of JSEM  

    実験力学 : journal of JSEM 6(3), 269-274, 2006-09-25 

    日本実験力学会

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各種コード

  • NII論文ID(NAID)
    10018779739
  • NII書誌ID(NCID)
    AA11822914
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13464930
  • NDL 記事登録ID
    8524434
  • NDL 雑誌分類
    ZM17(科学技術--科学技術一般--力学・応用力学)
  • NDL 請求記号
    Z74-C355
  • データ提供元
    CJP書誌  NDL  IR  J-STAGE 
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