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. 2024 Aug 1;20(8):1331-1337.
doi: 10.5664/jcsm.11142.

Prevalence and risk factors of sleep bruxism in adults with primary snoring: a large-scale polysomnographic study

Deshui Li  1   2   3 , Frank Lobbezoo  1 , Antonius A J Hilgevoord  2 , Nico de Vries  1   4   5 , Ghizlane Aarab  1
Affiliations

Prevalence and risk factors of sleep bruxism in adults with primary snoring: a large-scale polysomnographic study

Deshui Li et al. J Clin Sleep Med. .

Abstract

Study objectives: To determine the prevalence and risk factors of sleep bruxism (SB) in adults with primary snoring (PS).

Methods: This study included 292 adults with PS (140 males, 152 females; mean age ± standard deviation = 42.8 ± 12.2 years; mean body mass index ± standard deviation = 26.7 ± 4.7 kg/m2) without previous treatment for snoring. SB was diagnosed based on the frequency of the biomarker of SB: rhythmic masticatory muscle activity (SB when rhythmic masticatory muscle activity ≥ 2 episodes/h). Logistic regression was performed, with SB as the dependent variable and with age, sex, body mass index, and sleep- and respiratory-related polysomnographic parameters as the independent variables to identify the risk factors for SB.

Results: The prevalence of SB was 44.6% in adults with PS. Younger age (odds ratio = 0.965 [0.944, 0.987]) and shorter total sleep time (odds ratio = 0.760 [0.609, 0.948]) significantly increased the risk of SB (P < .05).

Conclusions: SB is highly prevalent in adults with PS. Younger age and shorter sleep time are significant risk factors for SB in adults with PS.

Clinical trial registration: Registry: onderzoekmetmensen.nl; Name: A Large Sample Polysomnographic Study on Sleep Bruxism; URL: https://trialsearch.who.int/Trial2.aspx?TrialID=NL-OMON19947; Identifier: NL8516.

Citation: Li D, Lobbezoo F, Hilgevoord AAJ, de Vries N, Aarab G. Prevalence and risk factors of sleep bruxism in adults with primary snoring: a large-scale polysomnographic study. J Clin Sleep Med. 2024;20(8):1331-1337.

Keywords: adults; nonapneic snoring; prevalence; risk factor; simple snoring; sleep bruxism.

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Conflict of interest statement

All authors have seen and approved the manuscript. Institutions where work was performed: OLVG West, Amsterdam, The Netherlands; Academic Centre for Dentistry Amsterdam (ACTA), Amsterdam, The Netherlands; School and Hospital of Stomatology, Shandong University, Jinan, China. The authors report no conflicts of interest.

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