1987 Fiscal Year Final Research Report Summary
Some functions of the masticatory muscle
| Project/Area Number |
61480412
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| Research Category |
Grant-in-Aid for General Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
補綴理工系歯学
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| Research Institution | Osaka Dental University |
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Principal Investigator |
KAWAZOE Takayoshi Osaka Dental University, 歯学部, 教授 (50076022)
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| Co-Investigator(Kenkyū-buntansha) |
MAENO Ikuhisa Osaka Dental University, 歯学部, 助手 (40181599)
SARATANI Keiji Osaka Dental University, 歯学部, 助手 (60170817)
SAKO Yoshimasa Osaka Dental University, 歯学部, 助手 (20170657)
KUSUMOTO Tetsuji Osaka Dental University, 歯学部, 助手 (70186394)
TANAKA Masahiro Osaka Dental University, 歯学部, 講師 (60163573)
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| Project Period (FY) |
1986 – 1987
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| Keywords | Masticatory muscles / Microvibration / Stiffness / Deep Temperature / Push-pain threshold / Occlusal contact / Surface EMG electrode array |
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| Research Abstract |
The purpose of this paper was to investigate some functions of the masticatory muscle in deail and from many different angles.
For this purpose firstly, an attempt was to apply microvibration on the skin surface of the masseter muscle and the anterior temporal muscle.
The results obtained were as follows. These were marked increases in the relations of activity in the recordings from the masseter muscle and the anterior temporal muscle during muscle contraction compared with those at the rest position. It was shown that the typical pattern of microvibration amplitude for the masseter muscle and the anterior temporal muscle at centric occlusion was smallest in all horizontal and vertical occlusal position.
Furthermore, an attempt was to apply such parameters as stiffness, deep temperature, push-pain threshold, occlusal contact and surface EMG electrode array to investigate some functions of the masticatory muscle.
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