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Establishment of evaluation system for mastication function, with taking oral sense test by brain function analysis

Research Project

Project/Area Number 16390553
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field 補綴理工系歯学
Research InstitutionOsaka University

Principal Investigator

FURUYA Masako  Osaka University, Graduate School of Dentistry, Research Associate, 大学院・歯学研究科, 助手 (10314387)

Co-Investigator(Kenkyū-buntansha) NOKUBI Takashi  Osaka University, Graduate School of Dentistry, Research Associate, 大学院・歯学研究科, 教授 (80028753)
IKEBE Kazunori  Osaka University, Dental Hospital, Assisitant Professor, 歯学部付属病院, 講師 (70273696)
Project Period (FY) 2004 – 2005
Project Status Completed (Fiscal Year 2005)
Budget Amount *help
¥11,300,000 (Direct Cost: ¥11,300,000)
Fiscal Year 2005: ¥4,200,000 (Direct Cost: ¥4,200,000)
Fiscal Year 2004: ¥7,100,000 (Direct Cost: ¥7,100,000)
KeywordsTaste / Denture / Brain wave / Near infrared spectroscopy / 官能検査 / 脳波測定
Research Abstract

Continuously last year, we investigated the factors that influenced satisfaction of taste in elderly people, for older adults were participants at a Senior Citizen Educational Program supported by local government (Osaka-fu Rojin Daigaku Koza).
At current year, gustatory test with filter-paper disc method was examined.
As a result, we found that the thresholds of test of elderly people were higher than those of younger people and dry mouth on waking and wearing denture covering hard palate were important factors for taste decline. Moreover, we found that for denture wearers dissatisfaction with there denture influenced taste response.
Next, we examined influence of thickness and materials of experimental palatal plates covering all of hard plate on thermal sense. As a result, there was no significantly difference for materials
Furthermore, we tested cerebrl function for oxyecoia saturation within a brain with near infrared spectroscopy (NIRO200) and measuring electroencephalogram
Since last year, we measured cerebral function using EEG-1100 and NIRO 200. As a result, It was suggested that sense of incompatibility of wearing denture is able to be evaluated objectively by measuring the brain function. Moreover, it was suggested that oxyecoia saturation within a brain is higher masticating chewing gum with sapidity than without sapidity, and mastication and taste increase cerebral function.

Report

(3 results)
  • 2005 Annual Research Report   Final Research Report Summary
  • 2004 Annual Research Report
  • Research Products

    (17 results)

All 2006 2005 2004

All Journal Article (16 results) Book (1 results)

  • [Journal Article] Influence of thickness and material of experimental palatal plate on gustatory response2006

    • Author(s)
      Furuya M, Yoshinaka M, Ikebe K, Ono T, Nokubi T
    • Journal Title

      Dentistry in Japan 42

      Pages: 53-56

    • NAID

      10019595381

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2005 Final Research Report Summary
  • [Journal Article] Influence of thickness and material of experimental palatal plate on gustatory response2006

    • Author(s)
      Furuya M, Yoshinaka M, Ikebe K, Ono T, Nobuki T.
    • Journal Title

      Dentistry in Japan 42

      Pages: 53-56

    • NAID

      10019595381

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2005 Final Research Report Summary
  • [Journal Article] Impact of dry mouth on oral symptoms and function in removable denture wearers2006

    • Author(s)
      Ikebe K, Sajima H, Kobayashi S, Hata K, Nokubi K
    • Journal Title

      Oral Surg, Oral Med, Oral Pathol, Oral Rad and Endodont (In press)

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Association of Bite Force with Aging and Occlusal Support in Older Adults2006

    • Author(s)
      Ikebe K, Nokubi T, Morii K, Kashiwagi J, Furuya M
    • Journal Title

      J Dent Res (In press)

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Influence of thickess and material of experimental palatal plate on gustatory response2006

    • Author(s)
      Furuya M, Yoshinaka M, Ikebe k, Ono T, Nokubi T
    • Journal Title

      Dentistry in Japan (In press)

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Impact of dry mouth on oral symptoms and function in removable denture wearers2005

    • Author(s)
      Ikebe K, Sajima H, Kobayashi S, Hata K, Nokubi K
    • Journal Title

      Oral Surg, Oral Med, Oral Pathol, Oral Rad and Endodont 99

      Pages: 704-710

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2005 Final Research Report Summary
  • [Journal Article] Association of Bite Force with Aging and Occlusal Support in Older Adults2005

    • Author(s)
      Ikebe K, Nokubi T, Morii K, Kashiwagi J, Furuya M
    • Journal Title

      J Dentisty 33

      Pages: 131-137

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2005 Final Research Report Summary
  • [Journal Article] 実験用口蓋床の厚さと材質が口腔感覚に及ぼす影響2005

    • Author(s)
      吉仲正記, 古谷暢子, 池邉一典, 島貫靖士, 元好晴子, 雨宮三起子, 野首孝嗣
    • Journal Title

      第114回日本補綴歯科学会学術大会抄録集 49

      Pages: 60-60

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2005 Final Research Report Summary
  • [Journal Article] Impact of dry mouth in oral symptoms and function in removable denture wearers2005

    • Author(s)
      Ikebe K, Sajima H, Kobayashi S, Hata K, Nokubi K.
    • Journal Title

      Oral Surg, Oral Med, Oral Pathol, Oral Rad and Endodont 99

      Pages: 704-710

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2005 Final Research Report Summary
  • [Journal Article] Association of Bite Force with Aging and Occlusal Support in Older Adults2005

    • Author(s)
      Ikebe K, Nokubi T, Morii K, Kashiwagi J, Furuya M.
    • Journal Title

      J Dentistry 33

      Pages: 131-137

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2005 Final Research Report Summary
  • [Journal Article] Influence of thickness and material of experimental palatal plate on oral sense2005

    • Author(s)
      Yoshinaka M, Furuya M, Ikebe K, Shimanuki Y, Motoyoshi H, Amemiya M, Nobuki T.
    • Journal Title

      The Journal of Japan Prosthodontic Society 49

      Pages: 60-60

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2005 Final Research Report Summary
  • [Journal Article] 高齢者の味覚低下に関する因子2005

    • Author(s)
      吉仲正記, 古谷暢子, 池邊一典, 元好晴子, 島貫靖士, 野首孝祠
    • Journal Title

      第16回日本老年歯科医学会 事前抄録集

    • Related Report
      2005 Annual Research Report
  • [Journal Article] 実験用口蓋床の厚さと材質が口腔感覚に及ぼす影響2005

    • Author(s)
      吉仲正記, 古谷暢子, 池邊一典, 島貫靖士, 元好晴子, 雨宮三起子, 野首孝祠
    • Journal Title

      第114回日本補綴歯科学会学術大会抄録集 49

      Pages: 60-60

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Influence of experimental palatal plates on gustatory response2005

    • Author(s)
      M.YOSHINAKA, M.FURUYA, K.IKEBE, Y.SHIMANUKI, T.NOKUBI
    • Journal Title

      83rd IADR general session (印刷中)

    • Related Report
      2004 Annual Research Report
  • [Journal Article] 高齢者の味覚と口腔内状況との関係2004

    • Author(s)
      中屋真理子, 古谷暢子, 池邉一典, 吉仲正記, 森居研太郎, 島貫靖士, 元好晴子, 野首孝祠
    • Journal Title

      第15回日本老年歯科医学会 事前抄録集

      Pages: 72-72

    • Related Report
      2004 Annual Research Report
  • [Journal Article] 口腔立体認知能と咀嚼能率との関係2004

    • Author(s)
      雨宮三起子, 池邉一典, 古谷暢子, 森居研太郎, 吉仲正記, 松田謙一, 野首孝祠
    • Journal Title

      第112回 日本補綴歯科学会学術大会抄録集 48

      Pages: 165-165

    • Related Report
      2004 Annual Research Report
  • [Book] 味のなんでも小事典(IV味と口腔感覚 43よく噛んだほうが食べ物はおいしくなる? 44入れ歯だと食べ物がおいしく味わえない)2004

    • Author(s)
      日本味と匂学会 編
    • Total Pages
      290
    • Publisher
      講談社
    • Related Report
      2004 Annual Research Report

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Published: 2004-04-01   Modified: 2016-04-21  

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