| Project/Area Number |
14571845
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
補綴理工系歯学
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| Research Institution | HIROSHIMA UNIVERSITY |
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Principal Investigator |
TSUGA Kazuhiro Hiroshima University, Graduate School of Biomedical Sciences, Associate Professor, 大学院・医歯薬学総合研究科, 助教授 (60217289)
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| Co-Investigator(Kenkyū-buntansha) |
YOSHIDA Mitsuyoshi Hiroshima University, Graduate School of Biomedical Sciences, Research Associate, 大学院・医歯薬学総合研究科, 助手 (50284211)
KUBO Takayasu Hiroshima University, Medical and Dental Hospital, Assistant Professor, 医学部・歯学部附属病院, 講師 (60240876)
AKAGAWA Yasumasa Hiroshima University, Graduate School of Biomedical Sciences, Professor, 大学院・医歯薬学総合研究科, 教授 (00127599)
HIASA Kyou Hiroshima University, Graduate School of Biomedical Sciences, Research Associate, 大学院・医歯薬学総合研究科, 助手 (60304432)
TAJI Tsuyoshi Hiroshima University, Medical and Dental Hospital, Research Associate, 医学部・歯学部附属病院, 助手 (80284214)
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| Project Period (FY) |
2002 – 2003
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| Project Status |
Completed (Fiscal Year 2003)
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| Budget Amount *help |
¥3,000,000 (Direct Cost: ¥3,000,000)
Fiscal Year 2003: ¥1,800,000 (Direct Cost: ¥1,800,000)
Fiscal Year 2002: ¥1,200,000 (Direct Cost: ¥1,200,000)
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| Keywords | Elderly people / Swallowing / Tongue pressure / Functional evaluation / Diagnosis / Food intake / Standard value |
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| Research Abstract |
The purpose of this study was to establish a novel handy tongue function diagnosis based on age-specific standard value of maximum voluntary tongue pressure (MVTP). After assembling utility system with disposable intra-oral probe and portable devices that enables us to measure tongue pressure in diversified environments supposed in such as epidemiologic study situation, we measured MVTP of 1,229 volunteers (age range : number of subjects 18-39 yr : 311, 40-59 yr : 99, 60-79 yr : 429, 80 yr and over : 390) under the permission of Hiroshima University School of Dentistry Ethical Committee. Besides MVTP measurement, subjects were inspected and interviewed about oral status and chewing/swallowing function including Repetitive Saliva Swallowing Test (RSST)
For subjects w ho had no signs and symptoms of swallowing dysfunction, MVTP's mean±S.D. for each age brackets were as follows 18-39 yr : 42±11 kPa, 40-59 yr : 39±12 kPa, 60.79 yr : 32±11 kPa, 80 yr and over : 23±11 kPa. There was negative correlation between age and MV'I'P. For subjects over GO years of age, those who could swallow 3 and more times in RSST could exert stronger MVTP (29 ± 12 kPa) than those who could swallow less than 3 times could (21±12 kPa)
In conclusion, based on age specific standard value acquired from the largest sample ever in this field of study, although from the limited aspect, we could diagnose some quantitative aspects of tongue function concerning swallowing function conveniently and safely
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