| Budget Amount *help |
¥13,650,000 (Direct Cost: ¥10,500,000、Indirect Cost: ¥3,150,000)
Fiscal Year 2014: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Fiscal Year 2013: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2012: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2011: ¥5,980,000 (Direct Cost: ¥4,600,000、Indirect Cost: ¥1,380,000)
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| Outline of Final Research Achievements |
This study aimed to examine the effect of electromyogram-biofeedback (EMG-BF) training to improve awake bruxism on sleep bruxism regulation. Fourteen male participants (27.8±2.4) with bruxism were randomly divided into biofeedback (7; BF) and control (7; CO) groups to undergo 5-hour EMG measurement from temporalis during the day and nighttime for 3 consecutive weeks. The BF group underwent EMG-BF in Week 2, during which a signal was delivered in the event of clenching to stop it. No such alert was generated in the CO group throughput the recording periods. Results showed that a significant decrease in the number of EMG events was observed in the BF compared to the CO group in Week 3 (p<0.05; Tukey’s HSD test); in the former, the number of events significantly decreased in Weeks 2 and 3 compared to Week 1 during both the day and nighttime. These findingss suggest that daytime EMG-BF has potential to reduce nocturnal bruxism.
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