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Dent Clin North Am. 2012 Apr;56(2):387-413. doi: 10.1016/j.cden.2012.01.003.

Sleep bruxism: a comprehensive overview for the dental clinician interested in sleep medicine.

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  • 1Faculty of Dental Medicine, Univeristé de Montréal, CP 6128 Succursale Centre-Ville, Montreal, Quebec, H3C 3J7, Canada. maria.clotilde.carra@umontreal.ca


Sleep bruxism (SB) is a common sleep-related motor disorder characterized by tooth grinding and clenching. SB diagnosis is made on history of tooth grinding and confirmed by polysomnographic recording of electromyographic (EMG) episodes in the masseter and temporalis muscles. The typical EMG activity pattern in patients with SB is known as rhythmic masticatory muscle activity (RMMA). The authors observed that most RMMA episodes occur in association with sleep arousal and are preceded by physiologic activation of the central nervous and sympathetic cardiac systems. This article provides a comprehensive review of the cause, pathophysiology, assessment, and management of SB.

Copyright © 2012 Elsevier Inc. All rights reserved.

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