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Adhesive bonding between resin composites and laser-sinterd or machine-milled metal frameworks

Research Project

Project/Area Number 23592859
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Prosthetic dentistry
Research InstitutionNagasaki University

Principal Investigator

KAMADA KOHJI  長崎大学, 医歯(薬)学総合研究科, 助教 (60264256)

Co-Investigator(Kenkyū-buntansha) TAIRA Yohsuke  長崎大学, 大学院医歯薬学総合研究科, 准教授 (40226725)
Project Period (FY) 2011 – 2013
Project Status Completed (Fiscal Year 2013)
Budget Amount *help
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2013: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2012: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2011: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
KeywordsCAD/CAM / レーザー焼結法 / ミリング法 / コンポジットレジン / 接着 / レーザーシンタリング法
Research Abstract

The purpose of this study was to achieve strong and durable bonding between resin composites and titanium or cobalt-chromium alloy CAD/CAM frameworks in order veneered prostheses to withstand the severe environment in the oral cavity. Priming with 10-methacryloxydecyl dihydrogen phosphate (MDP) improved the bonding durability between veneering resin composite and a laser-sintered Co-Cr alloy the same as a cast Co-Cr alloy. Compared to cast Co-Cr alloy, laser-sintered Co-Cr alloy with retention devices provided better retention for resin composite-veneered prostheses. On the other hand titanium, the shear bond strengths were improved by additional etching with 45% H2SO4 and 15% HCl. These methods would be useful for reducing clinical complications, such as fracture or debonding of veneered resin composite from metal frameworks.

Report

(4 results)
  • 2013 Annual Research Report   Final Research Report ( PDF )
  • 2012 Research-status Report
  • 2011 Research-status Report
  • Research Products

    (5 results)

All 2014 2013 2012

All Journal Article (3 results) (of which Peer Reviewed: 1 results) Presentation (2 results)

  • [Journal Article] Surface modification with alumina blasting and H_2SO_4-HCl etching for bonding two resin composite veneers to titanium2014

    • Author(s)
      Taira Y, Egoshi T, Kamada K, Sawase T.
    • Journal Title

      European Journal of Oral Sciences

      Volume: 122 Pages: 84-88

    • Related Report
      2013 Final Research Report
  • [Journal Article] Comparative study between laser sintering and casting for retention resin composite veneer to cobalt-chromium alloy2013

    • Author(s)
      Muratomi R, Kamada K, Taira Y, Higuchi S, Watanabe I, Sawase T.
    • Journal Title

      Dent Mater J

      Volume: 32(6) Pages: 939-945

    • Related Report
      2013 Final Research Report
  • [Journal Article] Comparative study between laser sintering and casting for retention resin composite veneer to cobalt-chromium alloy2013

    • Author(s)
      Muratomi R
    • Journal Title

      Dental Materials Journal

      Volume: 32 Pages: 939-945

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Presentation] レーザーシンタリングとエレクトロフォーミングの併用によるインプラント上部構造の作製2012

    • Author(s)
      鎌田幸治、村富隆太、福井淳一、飯島俊一、澤瀬隆
    • Organizer
      2011年度日本口腔インプラント学会第29回九州支部学術大会
    • Place of Presentation
      宮崎
    • Year and Date
      2012-01-22
    • Related Report
      2013 Final Research Report
  • [Presentation] レーザーシンタリングとエレクトロフォーミングの併用によるインプラント上部構造の作製2012

    • Author(s)
      鎌田 幸治
    • Organizer
      日本口腔インプラント学会第29回九州支部学術大会
    • Place of Presentation
      宮崎
    • Related Report
      2011 Research-status Report

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Published: 2011-08-05   Modified: 2019-07-29  

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