2022 Fiscal Year Final Research Report
Evaluation of the effectiveness of a sleep bruxism Inhibition device using vibration stimulation: A randomized controlled trial.
| Project/Area Number |
19K19140
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| Research Category |
Grant-in-Aid for Early-Career Scientists
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| Allocation Type | Multi-year Fund |
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| Review Section |
Basic Section 57050:Prosthodontics-related
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| Research Institution | Showa University |
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Principal Investigator |
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| Project Period (FY) |
2019-04-01 – 2023-03-31
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| Keywords | 睡眠時ブラキシズム / バイオフィードバック |
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| Outline of Final Research Achievements |
In this study, we aimed to establish a new treatment and diagnostic method for sleep bruxism in clinical dentistry by identifying the effect of occlusal splinting, which suppresses sleep bruxism-related masticatory muscle activity, on sleep bruxism inhibition and by evaluating its effect on sleep architecture. The results showed that the number of sleep bruxism episodes decreased by 25% and the duration of sleep bruxism episodes decreased by 57% when vibration stimulation was applied, compared to baseline measurements. In addition, the results showed that vibration biofeedback did not impair sleep in terms of sleep parameters and subjective evaluation.
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| Free Research Field |
歯科補綴学
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| Academic Significance and Societal Importance of the Research Achievements |
睡眠時ブラキシズム(SB)の安全な原因療法は確立されておらず，一般には臨床徴候から予測されたSBに対して対症療法であるスプリント療法が行われているのが現状であり，的確な診断とそれに基づく最適な治療法が望まれている．今回の研究では，振動刺激によるSB抑制装置によって，SBの回数と持続時間を減少させることが示された．将来，この装置の臨床応用が実現されれば，個々人のSBレベルに対応したSB管理が可能となり，歯科治療の予後改善や医療費の削減効果が期待できる．
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