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Load transmission at the bone-implant interface in an immediately loaded implant

Research Project

Project/Area Number 15K11220
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Dental engineering/Regenerative dentistry
Research InstitutionNara Medical University

Principal Investigator

Sugiura Tsutomu  奈良県立医科大学, 医学部, 研究員 (60398435)

Co-Investigator(Kenkyū-buntansha) 堤 定美  金沢工業大学, 先端電子技術応用研究所, 客員教授 (00028739)
山本 一彦  奈良県立医科大学, 医学部, 研究員 (20243842)
村上 和宏  奈良県立医科大学, 医学部附属病院, 研究員 (60569078)
堀田 聡  奈良県立医科大学, 医学部, 学内講師 (60526713)
Project Period (FY) 2015-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2016: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2015: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywords歯科インプラント / 生体力学 / 即時荷重 / 有限要素解析
Outline of Final Research Achievements

The purpose of this study was to investigate the biomechanical behavior of immediately loaded implants in an edentulous mandible. Mandibular fixed full-arch prostheses without cantilevers may result in a favorable reduction of the peri-implant bone strain during the healing period, compared with cantilevers. Framework material did not play an important role in reducing the peri-implant bone strain and micromotion at the bone-implant interface.

Academic Significance and Societal Importance of the Research Achievements

本研究では,下顎無歯顎モデルにおけるマイクロモーション,ひずみ解析を行い,過大な微小動揺,オーバーロードのリスク因子を評価した.カンチレバーのない上部構造を用いることは,インプラント周囲骨に生じるひずみを低減させ,オーバーロードのリスクを回避するのに有効であると示唆された.上部構造の材料の違いはインプラント周囲骨のひずみおよび微小動揺低減には大きな影響を及ぼさないことが示された.

Report

(5 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • 2015 Research-status Report
  • Research Products

    (2 results)

All 2018 2016

All Journal Article (2 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 2 results,  Open Access: 2 results,  Acknowledgement Compliant: 1 results)

  • [Journal Article] Micromotion analysis of different implant configuration, bone density, and crestal cortical bone thickness in immediately loaded mandibular full-arch implant restorations: A nonlinear finite element study.2018

    • Author(s)
      Sugiura T, Yamamoto K, Horita S, Murakami K, Kirita T.
    • Journal Title

      Clin Implant Dent Relat Res

      Volume: 20 Issue: 1 Pages: 43-49

    • DOI

      10.1111/cid.12573

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] The effects of bone density and crestal cortical bone thickness on micromotion and peri-implant bone strain distribution in an immediately loaded implant: a nonlinear finite element analysis.2016

    • Author(s)
      Sugiura T, Yamamoto K, Horita S, Murakami K, Tsutsumi S, Kirita T.
    • Journal Title

      J Periodontal Implant Sci

      Volume: 46 Issue: 3 Pages: 152-65

    • DOI

      10.5051/jpis.2016.46.3.152

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant

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Published: 2015-04-16   Modified: 2020-03-30  

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