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Related Experiment Videos

Bruxing patterns in man during sleep.

N G Clarke, G C Townsend, S E Carey

    Journal of Oral Rehabilitation
    |March 1, 1984
    PubMed
    Summary
    This summary is machine-generated.

    This study monitored nocturnal clenching using advanced technology. Two participants exhibited sleep clenching intensity exceeding their maximum conscious effort, revealing significant bruxism severity during sleep.

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    Area of Science:

    • Dentistry
    • Sleep Medicine
    • Biomedical Engineering

    Background:

    • Bruxism, particularly nocturnal clenching, is a common condition.
    • Objective measurement of sleep bruxism intensity has been challenging.

    Purpose of the Study:

    • To develop and utilize a microprocessor-based system for real-time monitoring of nocturnal clenching.
    • To quantify the severity and duration of sleep bruxism episodes.

    Main Methods:

    • A dedicated microprocessor with EMG amplification and digitization was used for bedside monitoring.
    • Subjects performed maximal voluntary clenches before sleep and upon waking for baseline comparison.
    • Software enabled real-time recording of clenching events, duration, and intensity.

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    Main Results:

    • All ten subjects tested exhibited nocturnal clenching (bruxism).
    • Two subjects demonstrated sleep clenching intensities that surpassed their maximal conscious clenching efforts.
    • The system successfully recorded bruxism events and their severity in electronic values.

    Conclusions:

    • The developed system effectively monitors nocturnal clenching.
    • Sleep bruxism can involve forces exceeding those voluntarily exerted during wakefulness.
    • Objective data on sleep bruxism intensity can be obtained using this technology.