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Three-dimensional finite element model that simulates the trabecular structure elucidates the bone loss mechanism around failing implants

Research Project

Project/Area Number 18592117
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field 補綴理工系歯学
Research InstitutionNiigata University

Principal Investigator

STEGAROIU Roxana  Niigata University, 医歯学系, 准教授 (10303140)

Co-Investigator(Kenkyū-buntansha) MIYAKAWA Osamu  新潟大学, 教授 (40018429)
NOMURA Shuichi  新潟大学, 医歯学系, 教授 (40018859)
KUROKAWA Koichi  新潟大学, 医歯学系, 准教授 (60215085)
佐藤 裕二  昭和大学, 歯学部, 教授 (70187251)
江尻 貞一  新潟大学, 医歯学系, 准教授 (40160361)
Co-Investigator(Renkei-kenkyūsha) SATO Yuji  昭和大学, 歯学部, 教授 (70187251)
EJIRI Sadakazu  朝日大学, 歯学部, 教授 (40160361)
Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,820,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2008: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2007: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2006: ¥2,000,000 (Direct Cost: ¥2,000,000)
Keywordsインプラント / μCT / 3次元有限要素モデル
Research Abstract

本研究は三次元有限要素解析の分野で、国内外で初めてμCT画像に基づいたヒト顎骨モデルを用い, 臨床的に最も広く用いられているスクリュー型インプラントを植立した骨応力を分析した. 従来のものより精密なモデルを作製して応力解析を行ったことによって, インプラント失敗の原因であるインプラントー骨界面の広範囲にわたる骨吸収(破壊)現象は過大な咬合力に起因した応力・ひずみによるものであることが明らかになった.

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (9 results)

All 2008 2007

All Journal Article (4 results) (of which Peer Reviewed: 3 results) Presentation (5 results)

  • [Journal Article] Isotropic Heterogeneous FEM Model versus Isotropic and Anisotropic Homogeneous Models2008

    • Author(s)
      Stegaroiu R, Ejiri S, Kurokawa K, Sato T, Sato Y, Nomura S.
    • Journal Title

      Journal of Dental Research, 87 Special Issue B 1246番(CD版)

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Isotropic Heterogeneous FEM Model versus Isotropic and Anisotropic Homogeneous Models2008

    • Author(s)
      Stegaroiu Roxana, 他5名
    • Journal Title

      Journal of Dental Research 87 SpecialIssue B(CD版)

      Pages: 1244-1244

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Generation of 3D-finite element model with screw-implant by micro CT techniques2007

    • Author(s)
      Stegaroiu R, Ejiri S, Sato T, Okumura N, Nomura S, Sato Y, Miyakawa O
    • Journal Title

      Journal of Dental Research, 86, Special Issue A 2195番(CD版)

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Generation of 3D-finite element model with screw-implant by micro-CT techniques2007

    • Author(s)
      Stegaroiu Roxana et al.
    • Journal Title

      Journal of Dental Research 86, Special Issue A((CD版))

      Pages: 2195-2195

    • Related Report
      2006 Annual Research Report
  • [Presentation] Isotropic Heterogeneous FEM Model versus Isotropic and Anisotropic Homogeneous Models2008

    • Author(s)
      Stegaroiu R, Ejiri S, Kurokawa K, Sato T, Sato Y, Nomura S.
    • Organizer
      86^<th> General Session of IADR
    • Place of Presentation
      トロント(カナダ)
    • Year and Date
      2008-07-03
    • Related Report
      2008 Final Research Report
  • [Presentation] Isotropic Heterogeneous FEM Model versus Isotropic and Anisotropic Homogeneous Models2008

    • Author(s)
      Stegaroiu Roxana, 他5名
    • Organizer
      The 86^<th> General Session of IADR
    • Place of Presentation
      トロント(カナダ)
    • Year and Date
      2008-07-03
    • Related Report
      2008 Annual Research Report
  • [Presentation] 3D-Finite Element Analysis of Trabecular versus Non-trabecular Bone around Screw-Implant2007

    • Author(s)
      Stegaroiu R, Ejiri S, Sato T, Kurokawa K, Nomura S, Sato Y, Miyakawa O.
    • Organizer
      The 12^<th> Meeting of the International College of Prosthodontists (ICP)
    • Place of Presentation
      福岡市
    • Year and Date
      2007-09-06
    • Related Report
      2008 Final Research Report
  • [Presentation] 3D-Finite Element Analysis of Trabecular versus Non-trabecular Bone around Screw-Implant.2007

    • Author(s)
      Stegaroiu Roxana, 他6名
    • Organizer
      The 12th Meeting of the International College of Prosthodontists (ICP)
    • Place of Presentation
      福岡市
    • Year and Date
      2007-09-06
    • Related Report
      2007 Annual Research Report
  • [Presentation] Generation of 3D-finite element model with screw-implant by micro-CT techniques2007

    • Author(s)
      Stegaroiu R, Ejiri S, Sato T, Okumura N, Nomura S, Sato Y, Miyakawa O
    • Organizer
      85^<th> General Session of IADR
    • Place of Presentation
      ニューオリンズ(米国)
    • Year and Date
      2007-03-23
    • Related Report
      2008 Final Research Report

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Published: 2006-04-01   Modified: 2016-04-21  

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