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Empirical study on the biomechanical background factors affecting the time-dependent change of peri-implant bone

Research Project

Project/Area Number 19K10198
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 57050:Prosthodontics-related
Research InstitutionTohoku University

Principal Investigator

Kawata Tetsuo  東北大学, 歯学研究科, 大学院非常勤講師 (80292225)

Co-Investigator(Kenkyū-buntansha) 小山 重人  東北大学, 大学病院, 准教授 (10225089)
依田 信裕  東北大学, 大学病院, 講師 (20451601)
佐々木 啓一  東北大学, 歯学研究科, 教授 (30178644)
相田 潤  東京医科歯科大学, 大学院医歯学総合研究科, 教授 (80463777)
Project Period (FY) 2019-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2022: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2021: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2020: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2019: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Keywords歯科インプラント / 骨リモデリング / 有限要素解析 / コーンビームCT / インプラント
Outline of Research at the Start

本研究は,インプラント補綴治療を受けた患者に対し,補綴直後,補綴1年後,2年後に歯科用コーンビームCT撮影を実施し,CT画像解析からインプラント周囲骨の経時的変化を実測する.さらに,CTデータベースの有限要素解析モデルを構築し,顎骨内のメカニカルストレス分布を算出することで,実際の経時的骨変化との関連を検証する.加えて,患者の臨床データ調査をもとに,経時的骨変化を制御しうる患者の生体力学的背景因子を解析する.
以上より,補綴治療後におけるインプラント周囲骨の長期安定性,良好な治療アウトカム獲得に必要な患者およびインプラント補綴装置の生体力学因子を明らかにすることを目指す.

Outline of Final Research Achievements

This clinical pilot study aimed to evaluate the factors affecting the three-dimensional (3D) volumetric changes of peri-implant buccal bone using cone beam computed tomography (CBCT) data following the superstructure placement. Fifteen implants placed in a single mandibular molar or premolar missing tooth area of 13 patients were enrolled in this study. CBCT examinations were performed twice: at the superstructure placement and approximately 1-year (12.5 ± 0.9 months) following placement. 3D superimposition of the two sets of CBCT images was performed, and the peri-implant buccal bone volumetric change was calculated. Although both bone increase and decrease cases were observed, remarkable 3D buccal bone volumetric changes were not observed in most cases. Multiple regression analysis revealed that a large crown-to-implant ratio significantly influenced the 3D bone volumetric change (p < 0.05).

Academic Significance and Societal Importance of the Research Achievements

歯科インプラント治療において,長期的に良好な治療結果を得るためには,インプラントを支持するための骨が健全に保全されていることが重要である.インプラント周囲骨は細菌感染を原因とするインプラント周囲炎に加え,過度な力が加わることにより周囲骨にダメージが生じることが知られている.本研究結果は,このインプラント周囲骨を健全に保つために必要な力学的な要件,特に治療計画段階における歯槽骨の形態や密度に関する条件を把握する一助となるものであり,歯科インプラント治療の成功のみならず,術前診断支援システムの開発の発展に対しても大きく貢献する.

Report

(5 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (24 results)

All 2023 2022 2021 2020 2019 Other

All Int'l Joint Research (3 results) Journal Article (11 results) (of which Int'l Joint Research: 7 results,  Peer Reviewed: 10 results,  Open Access: 3 results) Presentation (9 results) (of which Int'l Joint Research: 4 results,  Invited: 1 results) Funded Workshop (1 results)

  • [Int'l Joint Research] シドニー大学(オーストラリア)

    • Related Report
      2022 Annual Research Report
  • [Int'l Joint Research] シドニー大学工学部(オーストラリア)

    • Related Report
      2021 Research-status Report
  • [Int'l Joint Research] シドニー大学工学部(オーストラリア)

    • Related Report
      2020 Research-status Report
  • [Journal Article] Effect of implant placement depth on bone remodeling on implant-supported single zirconia abutment crown: A 3D finite element study2023

    • Author(s)
      Poovarodom Pongsakorn、Rungsiyakull Chaiy、Suriyawanakul Jarupol、Li Qing、Sasaki Keiichi、Yoda Nobuhiro、Rungsiyakull Pimduen
    • Journal Title

      Journal of Prosthodontic Research

      Volume: 67 Issue: 2 Pages: 278-287

    • DOI

      10.2186/jpr.JPR_D_22_00054

    • ISSN
      1883-1958, 1883-9207
    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] In vivo measurement of three-dimensional load exerted on dental implants: a literature review2022

    • Author(s)
      Assoratgoon Itt、Yoda Nobuhiro、Iwamoto Maya、Sato Tomoya、Kawata Tetsuo、Egusa Hiroshi、Sasaki Keiichi
    • Journal Title

      International Journal of Implant Dentistry

      Volume: 8 Issue: 1 Pages: 52-52

    • DOI

      10.1186/s40729-022-00454-y

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] 上部構造装着後におけるインプラント周囲骨の3次元的変化に影響する因子:1年間の追跡調査2022

    • Author(s)
      岩本麻也,依田信裕,菅野武彦,山本貴文,佐藤智哉,川田哲男,佐々木啓一
    • Journal Title

      顎咬合学会誌

      Volume: 42 Pages: 30-37

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] On interaction between fatigue of reconstruction plate and time-dependent bone remodeling2022

    • Author(s)
      Wan Boyang、Yoda Nobuhiro、Zheng Keke、Zhang Zhongpu、Wu Chi、Clark Jonathan、Sasaki Keiichi、Swain Michael、Li Qing
    • Journal Title

      Journal of the Mechanical Behavior of Biomedical Materials

      Volume: 136 Pages: 105483-105483

    • DOI

      10.1016/j.jmbbm.2022.105483

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Bone remodeling following mandibular reconstruction using fibula free flap2022

    • Author(s)
      Zheng K, Yoda N, Chen J, Liao Z, Zhong J, Wu C, Wan B, Koyama K, Sasaki K, Peck C, Swain MV, Li Q
    • Journal Title

      Journal of Biomechanics

      Volume: 133 Pages: 110968-110968

    • DOI

      10.1016/j.jbiomech.2022.110968

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Current applications and development of artificial intelligence for digital dental radiography2022

    • Author(s)
      Putra RH; Doi C, Yoda N, Astuti ER, Sasaki K.
    • Journal Title

      Dentomaxillofac Radiol

      Volume: 51 Issue: 1 Pages: 20210197-20210197

    • DOI

      10.1259/dmfr.20210197

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] The accuracy of implant placement with computer-guided surgery in partially edentulous patients and possible influencing factors: A systematic review and meta-analysis2022

    • Author(s)
      Putra RH, Yoda N, Astuti ER, Sasaki K
    • Journal Title

      Journal of Prosthodontic Research

      Volume: 66 Issue: 1 Pages: 29-39

    • DOI

      10.2186/jpr.JPR_D_20_00184

    • NAID

      130008140798

    • ISSN
      1883-1958, 1883-9207
    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] The effects of Bone Remodeling on Biomechanical Behavior in a Patient with an Implant-Supported Overdenture2021

    • Author(s)
      Sato E, Shigemitsu R, Mito T, Yoda N, Rasmussen J, Sasaki K
    • Journal Title

      Comput Biol Med

      Volume: 129 Pages: 104173-104173

    • DOI

      10.1016/j.compbiomed.2020.104173

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Effect of peri-implant bone resorption on mechanical stress in the implant body: in vivo measured load-based finite element analysis.2020

    • Author(s)
      Bing L, Mito T, Yoda N, Sato E, Shigemitsu R, Han JM, Sasaki K
    • Journal Title

      Jounal of Oral Rehabilitation

      Volume: 47(12): Issue: 12 Pages: 1566-1573

    • DOI

      10.1111/joor.13097

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Influence of bone condition on implant placement accuracy with computer-guided surgery2020

    • Author(s)
      Putra RH, Yoda N, Iikubo M, Kataoka Y, Yamauchi K, Koyama S, Cooray U, Astuti ER, Takahashi T, Sasaki K
    • Journal Title

      Int J Implant Dent

      Volume: 6 Issue: 1 Pages: 62-62

    • DOI

      10.1186/s40729-020-00249-z

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] 生体内実測荷重に基づく顎骨リモデリング解析2019

    • Author(s)
      依田信裕,川田哲男,末永華子,佐々木啓一
    • Journal Title

      Precision Medicine

      Volume: 2 Pages: 51-57

    • Related Report
      2019 Research-status Report
  • [Presentation] 大学病院歯科インプラントセンターにおける過去3年間の患者動向調査2022

    • Author(s)
      佐藤智哉,依田信裕,小山重人,森島浩允,尾崎茜,新部邦透,山内健介,江草宏
    • Organizer
      第52回日本口腔インプラント学会学術大会
    • Related Report
      2022 Annual Research Report
  • [Presentation] Three-dimensional analysis of peri-implant bone remodeling after superstructure placement: a combined use of in vivo and in silico analyses2022

    • Author(s)
      Assoratgoon I, Yoda N, Wan B, Sato T, Kawata T, Li Q, Egusa H, Sasaki K
    • Organizer
      International Oral Health Symposium 2022
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Fatigue Analysis of Reconstruction Plate by Considering Time-dependent Bone Remodeling.2022

    • Author(s)
      Wan B, Yoda N, Zheng K, Zhang Z, Wu C, Clark J, Swain M, Li Q.
    • Organizer
      15th World Congress on Computational Mechanics & 8th Asian Pacific Congress on Computational Mechanics
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Future possibility of digital denture production based on computer-aided engineering2022

    • Author(s)
      Nobuhiro Yoda
    • Organizer
      The 3rd International Conference on Digital Solutions for Education and Clinical Dentistry (ICDSECD) 2022
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 大学病院歯科インプラントセンターにおける患者動向調査2021

    • Author(s)
      佐藤 智哉,依田 信裕,小山 重人,森島 浩允,勝田 悠介,山内 健介,髙橋 哲,佐々木 啓一
    • Organizer
      第51回公益社団法人 日本口腔インプラント学会学術大会
    • Related Report
      2021 Research-status Report
  • [Presentation] Guided Implant Surgeries in Partial Edentulism: Systematic Review and Meta-analysis.2021

    • Author(s)
      Ramadhan Hardani Putra, Nobuhiro Yoda, Eha Renwi Astuti, Keiichi Sasaki.
    • Organizer
      The 2021 IADR/AADR/CADR General Session & Exhibition
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research
  • [Presentation] 東北大学病院歯科インプラントセンターにおける臨床研究2020

    • Author(s)
      依田 信裕,小山 重人,山内 健介,新部 邦透,佐藤 智哉,森島 浩允,高橋 哲,佐々木 啓一
    • Organizer
      公益社団法人日本口腔インプラント学会第50回記念学術大会
    • Related Report
      2020 Research-status Report
  • [Presentation] ガイデッドサージェリーにおけるインプラント埋入精度に対する骨状態の影響2020

    • Author(s)
      依田信裕,Ramadhan Hardani Putra,飯久保正弘,片岡良浩,山内健介,小山重人,Upul Cooray,Eha Renwi Astuti,高橋 哲,佐々木啓一
    • Organizer
      2020年 ITI SC 東北支部会
    • Related Report
      2020 Research-status Report
  • [Presentation] 上顎前歯部に埋入されたインプラントの唇側骨の経時的リモデリングにおける唇側骨厚の影響2019

    • Author(s)
      依田信裕,小山重人,川田哲男,松舘芳樹,佐々木啓一
    • Organizer
      第49回公益社団法人日本口腔腔インプラント学会
    • Related Report
      2019 Research-status Report
  • [Funded Workshop] Sydney-Tohoku International Dental Workshop2021

    • Related Report
      2020 Research-status Report

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Published: 2019-04-18   Modified: 2024-01-30  

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