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Prevention for tooth wear from the perspective of micro-crack propagation analysis

Research Project

Project/Area Number 16K11565
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Conservative dentistry
Research InstitutionNihon University

Principal Investigator

TAKAMIZAWA Toshiki  日本大学, 歯学部, 准教授 (60373007)

Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2018: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
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)
Keywordstooth wear / 酸蝕 / 機械的ストレス / マイクロクラック / 浸透性 / 歯質接着 / 3点曲げ試験 / マイクロクラック抑制材 / Tooth wear / 光干渉断層撮影 / 歯学
Outline of Final Research Achievements

The aim of this study was to establish a tooth wear model, and to determine the influence of the factors of erosion and mechanical stress on the progression of tooth wear. Further, the research investigated the inhibition effect of an experimental agent on tooth wear. Bovine enamel specimens were subjected to sliding-impact wear testing with lactic acid solution or artificial saliva. Wear depth and volume loss were measured using a LSM. In addition, SEM observations were conducted when an experimental bonding agent was applied on enamel microcracks after simulated tooth wear model.
Tooth wear at 1,500 wear cycles with low pH solution showed 5 times volume loss and wear depth seen with artificial saliva. In the results of SEM observation, the experimental bonding agent showed superior infiltration ability to other commercially available bonding agents. When considering the inhibition of microcrack propagation, superior penetration and tooth adhesion capability may be required.

Academic Significance and Societal Importance of the Research Achievements

歯の摩耗について実験モデルを製作してその摩耗の進行機序を解明することを目的とした。その結果,歯の摩耗の進行には口腔内のpH環境が関連し,pHが低い環境によって進行することが判明した。また,エナメル質に発生する細かい亀裂も摩耗の進行に関与するため,これを抑制する接着剤についても研究したところ,微小な亀裂への浸透と歯に接着する能力が求められることが明らかとなった。

Report

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

    (22 results)

All 2019 2018 2017 2016

All Journal Article (10 results) (of which Int'l Joint Research: 10 results,  Peer Reviewed: 10 results,  Open Access: 7 results,  Acknowledgement Compliant: 1 results) Presentation (12 results) (of which Int'l Joint Research: 6 results)

  • [Journal Article] Effect of active application on bond durability of universal adhesives2019

    • Author(s)
      Moritake N, Takamizawa T, Ishii R, Tsujimoto A, Barkmerier WW, Latta MA, Miyazaki M
    • Journal Title

      Oper Dent

      Volume: 44 Issue: 2 Pages: 189-199

    • DOI

      10.2341/17-384-l

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Interrelation among the handling, mechanical, and wear properties of the newly developed flowable resin composites.2019

    • Author(s)
      Imai A, Takamizawa T, Sugimura R, Tsujimoto A, Ishii R, Kawazu M, Saito T, Miyazaki M
    • Journal Title

      J Mech Behav Biomed Mater

      Volume: 89 Pages: 72-80

    • DOI

      10.1016/j.jmbbm.2018.09.019

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Influence of application time and etching mode of universal adhesives on enamel adhesion.2018

    • Author(s)
      Sai K, Takamizawa T, Imai A, Tsujimoto A, Ishii R, Barkmeier WW, Latta MA, Miyazaki M.
    • Journal Title

      J Adhes Dent

      Volume: 20 Pages: 65-77

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Bond durability of universal adhesive to bovine enamel using self-etch mode2018

    • Author(s)
      Suzuki S, Takamizawa T, Imai A, Tsujimoto A, Sai K, Takimoto M, Barkmeier WW, Latta MA, Miyazaki M
    • Journal Title

      Clin Oral Investig

      Volume: 22 Issue: 3 Pages: 1113-1122

    • DOI

      10.1007/s00784-017-2196-x

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Effect of Double-Layer Application on Bond Quality of Universal Adhesive and Comparison with Conventional Single-Step or Two-Step Self-Etch Adhesives.2018

    • Author(s)
      Fujiwara S, Takamizawa T, Barkmeier WW, Tsujimoto A, Imai A, Watanabe H, Erickson RL, Latta MA, Miyazaki M, Nakatuka T
    • Journal Title

      J Mech Behav Biomed Mater

      Volume: 77 Pages: 501-509

    • DOI

      10.1016/j.jmbbm.2017.10.008

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Influence of different smear layers on bond durability of various types of self-etch adhesive2018

    • Author(s)
      Takamizawa T, Barkmeier WW, Sai K, Tsujimoto A, Imai A, Erickson RL, Latta MA, Miyazaki M
    • Journal Title

      Dent Mater

      Volume: 34 Pages: 246-259

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Influence of different curing-modes on polymerization behavior and mechanical properties of dual-cured provisional resins2017

    • Author(s)
      Shibasaki S, Takamizawa T, Suzuki T, Nojiri K, Tsujimoto A, Barkmeier WW, Latta MA, Miyazaki M
    • Journal Title

      Oper Dent

      Volume: 42 Issue: 5 Pages: 526-536

    • DOI

      10.2341/16-335-l

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Influence of application method on surface free energy and bond strength of universal adhesive systems to enamel2017

    • Author(s)
      Imai A, Takamizawa T, Sai K, Tsujimoto A, Nojiri K, Endo H, Barkmeier WW, Latta MA, Miyazaki M
    • Journal Title

      Eur J Oral Sci

      Volume: 125 Issue: 5 Pages: 385-395

    • DOI

      10.1111/eos.12361

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Polymerization behavior and mechanical properties of high viscosity bulk fill and low shrinkage resin composites2017

    • Author(s)
      Shibasaki S, Takamizawa T, Nojiri K, Imai A , Tsujimoto A, Endo H, Suzuki S, Suda S, Barkmeier WW, Latta MA, Miyazaki M
    • Journal Title

      Oper Dent

      Volume: 42

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Influence of degradation conditions on dentin bonding durability of three universal adhesives2016

    • Author(s)
      Sai K, Shimamura Y, Takamizawa T, Tsujimoto A, Imai A, Endo H, Barkmeier WW, Latta MA, Miyazaki M
    • Journal Title

      J Dent

      Volume: 54 Pages: 56-61

    • DOI

      10.1016/j.jdent.2016.09.004

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
  • [Presentation] Influence of smear layers on bond durability of self-etch adhesives.2018

    • Author(s)
      Takamizawa T, Imai A, Hosoya M, Sai K, Tsujimoto A, Barkmeier WW, Latta MA, Miyazaki M.
    • Organizer
      47th Annual meeting & Ehibition of the AADR
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Handling, mechanical, and wear properties of recent flowable resin composites.2018

    • Author(s)
      Takamizawa T, Imai A, Hosoya A, Tsujimoto A, Nojiri K, Barkmeier WW, Latta MA, Miyazaki M
    • Organizer
      . 96th General session & Exhibition of the IADR
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] フロアブルレジンの耐摩耗性に関する研究2018

    • Author(s)
      高見澤俊樹,野尻貴絵,辻本暁正,今井亜理紗,鈴木崇之,崔 慶一,宮崎真至
    • Organizer
      第71回日本歯科理工学会
    • Related Report
      2018 Annual Research Report
  • [Presentation] MDPがユニバーサルアドヒーシブの象牙質接着耐久性に及ぼす影響2018

    • Author(s)
      高見澤俊樹,今井亜理紗,細矢由美子,廣兼栄造,辻本暁正,宮崎真至,川本 諒, 日野浦 光
    • Organizer
      第149回日本歯科保存学会秋季学術大会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 新たなモデルを用いたマイクロクラック進行抑制材料の浸透性評価2018

    • Author(s)
      古市哲也,高見澤俊樹,鈴木崇之,杉村留奈,森竹宣之,宮崎真至,日野浦 光
    • Organizer
      第37回日本接着歯学会学術大会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Degradation of universal adheisive dentin bonds under different simulation condition2017

    • Author(s)
      Takamizawa T, Shimamura Y, Hosoya Y, Sai K, Tsujimoto T, Barkmeier WW, Latta MA, Miyazaki M
    • Organizer
      95th General session & Exhibition of the IADR
    • Place of Presentation
      San Francisco (USA)
    • Year and Date
      2017-03-22
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] Degradation of universal adhesive dentin bonds under different simulation condition.2017

    • Author(s)
      Takamizawa T, Shimamura Y, Hosoya Y, Sai K, Tsujimoto A, Barkmeier WW, Latta MA, Miyazaki M
    • Organizer
      95th General session & Exhibition of the IADR
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] Influence of different smear layers on dentin bond durability of self-etch adhesives.2017

    • Author(s)
      Takamizawa T, Endo H, Tsujimoto A , Imai A, Barkmeier WW, , Latta MA, Miyazaki M
    • Organizer
      10th World congress of International Federation of esthetic Dentistry
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] スミヤー層の違いがセルフエッチングアドヒーシブの象牙質接着耐久性に及ぼす影響2017

    • Author(s)
      髙見澤俊樹,辻本暁正,今井亜里沙,野尻貴絵,鈴木崇之,崔 慶一,宮崎真至
    • Organizer
      第69回日本歯科理工学会学術講演会
    • Related Report
      2017 Research-status Report
  • [Presentation] SEM観察による試作エナメルマイクロクラック進行抑制材料の浸透性評価2017

    • Author(s)
      古市哲也,髙見澤俊樹,秋葉俊介,鈴木崇之,陸田明智,宮崎真至
    • Organizer
      第36回日本接着歯学会学術大会
    • Related Report
      2017 Research-status Report
  • [Presentation] 衝突摩耗試験を応用したTooth Wear挙動の解析2016

    • Author(s)
      島村 穣,安藤 進,今井亜里沙,田村ゆきえ,髙見澤俊樹,宮崎真至,日野浦 光,宮 直利
    • Organizer
      日本歯科保存学会2016年度秋季学術大会(第145回)
    • Place of Presentation
      キッセイ文化ホール(長野県松本市)
    • Year and Date
      2016-10-27
    • Related Report
      2016 Research-status Report
  • [Presentation] Effect of MDP on enamel bonding durability of self-etch adhesives.2016

    • Author(s)
      Takamizawa T, Tsuchiya K, Hosoya Y, Barkmeier W, Tsubota K, Tsujimoto A, Latta M. Miyazaki M
    • Organizer
      94th General session & Exhibition of the IADR
    • Place of Presentation
      Seoul (South Korea)
    • Year and Date
      2016-06-22
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research

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Published: 2016-04-21   Modified: 2020-03-30  

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