2003 Fiscal Year Final Research Report Summary
Influence of breathing method on the occurrence of non-sleep bruxism.
| Project/Area Number |
14370646
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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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 | TOKYO DENTAL COLLEGE |
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Principal Investigator |
SAKURAI Kaoru TOKYO DENTAL COLLEGE, DEPARTMENT OF DENTISTRY, PROFESSOR, 歯学部, 教授 (20153950)
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| Co-Investigator(Kenkyū-buntansha) |
TAKAGI Itirou TOKYO DENTAL COLLEGE, DEPARTMENT OF DENTISTRY, ASSISTANT, 歯学部, 助手 (70349538)
ANDO Tomohiko TOKYO DENTAL COLLEGE, DEPARTMENT OF DENTISTRY, ASSISTANT, 歯学部, 助手 (70317907)
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| Project Period (FY) |
2002 – 2003
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| Keywords | Bruxism / EMG / breathing method |
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| Research Abstract |
Statement of the problem. No reliable treatment for non-sleep bruxism has been established.
Purpose. The aim of this study was to find a method to manage the nonsleep bruxism (clenching). The abdominal breathing method was selected as a possible management method, and its inhibitory effect on non-sleep bruxism was examined by means of EMG recording of the masseter muscle.
Material and methods. Six subjects (4men and 2women) were asked to perform: the maximal voluntary clenching 3 times ; silent reading for 10 mm in a relax state, and silent, reading for 10 mm after performing the abdominal breathing method. Simultaneously, the masseter activity was measured by mean of EMG.
Results. Six subjects exhibited non-sleep bruxism. Bruxism events occurred less frequently in all subjects at silent reading of 80 minuets after the breathing method was applied.
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