2011•PubMedRequires access

[Polysomnographic study of bruxism in children].

Xiaoran Wu, Shuguo Zheng, Li-Wen Wang

Abstract

OBJECTIVE: To analyze the sleep electrophysiological changes and the sleep structure changes in children with bruxism by use of the polysomnography. METHODS: Twelve children with severe bruxism and 11 children who had no systemic diseases or sleep disorders were selected for polysomnography. RESULTS: The proportion of nonrapid eye movements sleep (NREMS)II and NREMS IV stages in bruxism group were (45.7 ± 7.1)% and (19.2 ± 4.9)%, while the control group were (52.9 ± 5.8)% and (13.3 ± 5.3)% respectively. The sleep efficiency and the latency of sleep were (84.0 ± 8.0)% and (39.33 ± 28.73) min in bruxism group, and (94.0 ± 3.7)% and (10.27 ± 7.57) min in the control group respectively. The difference was statistically significant. CONCLUSIONS: The sleep structure is inordinate in bruxism children.

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Key concepts: Polysomnography, Sleep Bruxism, Sleep (system call), Medicine, Non-rapid eye movement sleep, Sleep Stages, Significant difference, Sleep disorder