| Project/Area Number |
11671925
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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 | Showa University |
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Principal Investigator |
WATANABE Tatsutomi Dentistry, Showa University, Assistant Professor, 歯学部, 講師 (10230971)
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| Project Period (FY) |
1999 – 2000
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| Project Status |
Completed (Fiscal Year 2000)
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| Budget Amount *help |
¥3,600,000 (Direct Cost: ¥3,600,000)
Fiscal Year 2000: ¥1,600,000 (Direct Cost: ¥1,600,000)
Fiscal Year 1999: ¥2,000,000 (Direct Cost: ¥2,000,000)
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| Keywords | Bruxism / Telemetry / Elderly / 連続測定 / 夜間睡眠時Bruxism / Telemetry |
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| Research Abstract |
This study looked at whether long term recordings of bruxism are correlated with daily behaviors and jaw pain-headache symptoms. Twelve patients with a sleep bruxism disorder were monitored to see if any daily behaviors (stress, physical activity, anger), jaw-pain/headache symptoms or sleep quality were correlated with their bruxism levels. Such a correlation would have importance to the clinical management of these patients. We utilized a telemetric-based-system for monitoring bruxism force, which was detected with an intra-appliance piezoelectric film system. We defined bruxism as a force applied to the occlusal surface of the splint at or above a level of 10% maximum voluntary contraction. We recorded bruxism forces at night for at least 3 weeks on the 12 subjects in this study (6 females and 6 males). Each patient rated their daily behaviors, sleep quality and jaw pain-headache symptoms in a diary using standard visual analog scaling methods during this period. Correlational analysis was performed between these recorded variables. Overall, no single diary variable was consistently correlated with the bruxism levels in these subjects. These data support the conclusion that bruxism is not related to any of the subject's self-monitored daytime activities or their sleep quality.
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