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Development of a new approach to the treatments in conservative dentistry based on a concept for home or visit care.

Research Project

Project/Area Number 17K11708
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Conservative dentistry
Research InstitutionThe University of Tokushima

Principal Investigator

MATSUO Takashi  徳島大学, 大学院医歯薬学研究部(歯学域), 非常勤講師 (30173800)

Co-Investigator(Kenkyū-buntansha) 中西 正  徳島大学, 大学院医歯薬学研究部(歯学域), 准教授 (00217770)
湯本 浩通  徳島大学, 大学院医歯薬学研究部(歯学域), 教授 (60284303)
菅 俊行  徳島大学, 病院, 講師 (60243713)
平尾 功治  徳島大学, 大学院医歯薬学研究部(歯学域), 助教 (00581399)
Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2019: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2018: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2017: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Keywords高周波/電磁波 / う蝕治療 / 初期歯髄炎 / 在宅・訪問診療 / 深在性う蝕 / 訪問・在宅治療 / 在宅・訪問歯科治 / 齲蝕治療 / 電磁波/高周波 / 健康寿命 / 在宅・訪問歯科治療 / 齲蝕 / 歯髄炎 / 高周波/電磁波治療 / フッ化ジアミンシリケート
Outline of Final Research Achievements

We studied the effects of electromagnetic wave irradiation (EMWI) to dental caries and initial stage of pulpitis. EMWI showed the bactericidal effects not only to mutans streptococci but also other bacteria. However, EMWI showed little effect to the bacteria in dentinal tubules. Further analysis will be needed.
We also investigated the natural immunity of dental pulp, because bacteria or its components would induce the inflammation of the pulp. We found epigallocatechin-3-gallate (EGCG) suppressed the production of chemokines and iNOS from the odontoblasts, and caffeic acid phenethyl ester (CAPE) induced VEGF expression, indicating EGCG or CAPE can be used as anti-inflammation agents. We are further to investigate to use EMWI together with EGCG or CAPE.

Academic Significance and Societal Importance of the Research Achievements

超高齢化社会となり、在宅・訪問診療がこれからの歯科医療において重要な位置を占めると考えられる。我々はポータブル高周波/電磁波治療器を用いた新しい治療法を開発し、これを在宅・訪問診療に活用しようと考えた。今回、高周波/電磁波には殺菌作用と共に宿主細胞の活性化効果のあることを明らかとし、初期歯髄炎を伴う深在性齲蝕治療への応用に筋道をつけた。
健康寿命の延伸が医療費削減の観点からも喫緊の課題となっており、健康寿命の延伸には口腔機能の維持が必須である。在宅・訪問診療の現場で高周波/電磁波治療器を用いた保存的治療を行うことにより、口腔機能ひいては健康寿命延伸に寄与できるものと期待できる。

Report

(4 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (11 results)

All 2020 2019 2018 2017

All Journal Article (2 results) (of which Peer Reviewed: 2 results,  Open Access: 1 results) Presentation (8 results) (of which Int'l Joint Research: 3 results,  Invited: 1 results) Book (1 results)

  • [Journal Article] Caffeic Acid Phenethyl Ester (CAPE) Induces VEGF Expression and Production in Rat Odontoblastic Cells2019

    • Author(s)
      Kuramoto H, Hirao K, Yumoto H, Hosokawa Y, Nakanishi T, Takegawa D, Washio A, Kitamura C, Matsuo T
    • Journal Title

      BioMed Research International

      Volume: ID5390720

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 深在性う蝕への対応と歯髄の免疫応答2019

    • Author(s)
      松尾敬志、中西正
    • Journal Title

      日本歯科保存雑誌

      Volume: 63 Pages: 1-7

    • NAID

      130007605690

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] 新規フッ化物を利用したう蝕予防および象牙質知覚過敏症治療法の開発2020

    • Author(s)
      菅 俊行
    • Organizer
      第1回象牙質歯髄治療学会
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] Dental pulp responses to dental caries2019

    • Author(s)
      Tadashi Nakanishi
    • Organizer
      Dentisphere4
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] ラット象牙芽細胞(KN-3)におけるVEGFの石灰化誘導作用2019

    • Author(s)
      蔵本瞳、平尾功治、細川由樹、武川大輔、湯本浩通、中西正
    • Organizer
      日本歯科保存学会2019年度秋季学術大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 高周波電流を用いた歯周組織再生療法2019

    • Author(s)
      平尾功治、湯本浩通、富永敏彦、太良尾浩生、榎本崇宏、芥川正武、池原敏孝、木内陽介
    • Organizer
      生体医工学会シンポジウム
    • Related Report
      2019 Annual Research Report
  • [Presentation] NODリガンド刺激したヒト象牙芽細胞様細胞におけるインターフェロンγの影響2019

    • Author(s)
      武川大輔、中西正、平尾功治、湯本浩通、細川由樹、蔵本瞳、松尾敬志
    • Organizer
      日本歯科保存学会2019年度春季学術大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Caffeic acid phenethyl ester (CAPE)のラット象牙芽細胞(KN-3)におけるVEGF産生誘導機序の解析2019

    • Author(s)
      蔵本瞳、湯本浩通、平尾功治、細川由樹、松尾敬志
    • Organizer
      第40回日本歯内療法学会学術大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Effect of high frequency electric field on growth factor of cultured osteoblasts2018

    • Author(s)
      Shunsuke Yamaguchi, Masatake Akutagawa, Hiromichi Yumoto, Kouji Hirao, Takahiro Emoto, Hiroo Tarao, Toshihiko Tominaga, Toshitaka Ikehara and Yohsuke Kinouchi
    • Organizer
      2018 The Joint Annual Meeting of the Bioelectromagnetics Society and the European BioElectromagnetics Association
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Calculation of current densities inside dentin by applying 500-kHzcurrent2017

    • Author(s)
      H. Tarao, M. Akutagawa, T. Emoto, H. Yumoto, T. Tominaga, T. Matsumoto, T. Ikehara, Y. Kinouchi
    • Organizer
      BioEM 2017
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Book] 保存修復学212020

    • Author(s)
      松尾敬志,飯島洋一,池島巌,稲井紀通,興地隆史,大月昌幸,北村知昭,河野篤,齋藤隆史,佐野英彦,島田康史,千田章,田上順次,中島正俊,奈良陽一郎,二階堂徹,住谷佳浩,藤谷盛興,山本一世,横瀬敏志,吉山昌宏 他65名
    • Total Pages
      321
    • Publisher
      永末書店
    • ISBN
      9784816013218
    • Related Report
      2019 Annual Research Report

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Published: 2017-04-28   Modified: 2021-02-19  

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