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Establishment of new bone augmentation technique in vertically deficient alveolar ridge

Research Project

Project/Area Number 15K20565
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Surgical dentistry
Research InstitutionThe Nippon Dental University

Principal Investigator

NAKAHARA Ken  日本歯科大学, 新潟生命歯学部, 准教授 (20610257)

Research Collaborator IIZUKA Tateyuki  
Project Period (FY) 2015-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2016: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2015: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Keywords垂直的歯槽骨欠損 / 骨造成 / 骨補填材 / 歯科用インプラント
Outline of Final Research Achievements

In cases where vertical augmentation is necessary for implantation, bone substitution materials are very important for the prognosis of the treatment. To verify the efficiency of artificial bone materials for vertical bone grafting, we inserted two kinds of bone materials (α-TCP+HAp and β-TCP+HAp) into vertical bone defects created in the mandible in eight male Beagle dogs and analyzed samples harvested at six months after operations by means of micro-CT and histology.
All eight animals healed uneventfully and clinical signs of infection or dehiscence didn’t occur except for some fistulas near the grafted areas. On micro-CT images, both grafted materials were often resorbed, especially α-TCP samples occasionally showed remarkable resorption. Both artificial bone blocks remained unless bone remodeling in grafted area. The present study provided the information about bone substitutes to improve onlay bone grafting and its clinical application.

Report

(3 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Research-status Report
  • Research Products

    (9 results)

All 2017 2016 2015 Other

All Int'l Joint Research (2 results) Journal Article (2 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 2 results) Presentation (5 results) (of which Int'l Joint Research: 1 results)

  • [Int'l Joint Research] ベルン大学(スイス)

    • Related Report
      2016 Annual Research Report
  • [Int'l Joint Research] ベルン大学(スイス)

    • Related Report
      2015 Research-status Report
  • [Journal Article] Single-staged vs. two-staged implant placement using bone ring technique in vertically deficient alveolar ridges - Part 1: histomorphometric and micro-CT analysis.2016

    • Author(s)
      Nakahara K, Haga-Tsujimura M, Sawada K, Kobayashi E, Mottini M, Schaller B, Saulacic N
    • Journal Title

      Clinical Oral Implants Research

      Volume: ー Issue: 11 Pages: 1384-1391

    • DOI

      10.1111/clr.12751

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Single-staged vs. two-staged implant placement in vertically deficient alveolar ridges using bone ring technique - Part 2: implant osseointegration.2016

    • Author(s)
      Nakahara K, Haga-Tsujimura M, Sawada K, Kobayashi E, Schaller B, Saulacic N
    • Journal Title

      Clinical Oral Implants Research

      Volume: ー Issue: 7

    • DOI

      10.1111/clr.12851

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] Effects of Artificial Bone Materials in Vertically Deficient Alveolar Ridges2017

    • Author(s)
      Nakahara K, Sawada K, Haga-Tsujimura M
    • Organizer
      95th General Session & Exhibition of the International Association for Dental Research
    • Place of Presentation
      San Francisco(USA)
    • Year and Date
      2017-03-22
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 超高齢社会に求められるインプラント治療2017

    • Author(s)
      中原賢
    • Organizer
      日本歯科大学校友会学術フォーラム2017
    • Place of Presentation
      日本歯科大学生命歯学部(東京都千代田区)
    • Year and Date
      2017-02-26
    • Related Report
      2016 Annual Research Report
  • [Presentation] 骨造成と同時に行うインプラント埋入に対する人工材料の有効性2016

    • Author(s)
      中原賢、澤田幸作、辻村麻衣子
    • Organizer
      第61回公益社団法人日本口腔外科学会総会・学術大会
    • Place of Presentation
      幕張メッセ(千葉県千葉市)
    • Year and Date
      2016-11-25
    • Related Report
      2016 Annual Research Report
  • [Presentation] インプラント治療における垂直的骨造成への挑戦2016

    • Author(s)
      中原賢
    • Organizer
      平成28年度日本歯科大学関東地区歯学研修会
    • Place of Presentation
      ホテルメトロポリタン高崎(群馬県高崎市)
    • Year and Date
      2016-09-11
    • Related Report
      2016 Annual Research Report
  • [Presentation] 移植した自家骨組織の経時的観察2015

    • Author(s)
      中原賢, 五十嵐健輔, 辻村麻衣子
    • Organizer
      第57回歯科基礎医学会学術大会
    • Place of Presentation
      朱鷺メッセ 新潟コンベンションセンター(新潟県、新潟市)
    • Year and Date
      2015-09-11
    • Related Report
      2015 Research-status Report

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Published: 2015-04-16   Modified: 2018-03-22  

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