ArticleJournal of oral rehabilitation2025
The Relation Between Daytime Sleepiness and Awake and Sleep Bruxism Report in Patients With Obstructive Sleep Apnoea.
Article in Journal of oral rehabilitation, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveTo assess the relationship between daytime sleepiness and both self-reported awake bruxism (AB) and sleep bruxism (SB) in patients with different severities of obstructive sleep apnoea (OSA). MATERIAL AND
methodsOne hundred and seventy-four participants (female = 33.9%; mean age [±SD] = 55.1 ± 12.3 years) with polygraphy-confirmed OSA underwent a self-reported assessment for both awake and SB and daytime sleepiness, using the BRUX scale questionnaire and Epworth sleepiness scale, respectively. Three BRUX scale sum scores were computed for each patient: total sum score, AB sum score and SB sum score. To assess OSA severity, the apnoea-hypopnoea index and minimal oxygen saturation (MinSat) were considered. Correlations between daytime sleepiness, BRUX scale scores and OSA severity were assessed using Pearson's test. In addition, a multiple linear regression analysis model was used to assess the predictive effect of both self-reported awake and SB and OSA severity on daytime sleepiness.
resultsA significant, but weak correlation emerged between daytime sleepiness and the BRUX scale total sum score (r = 0.155; p < 0.05), the awake BRUX scale sum score (r = 0.174; p < 0.05) and MinSat (r = 0.194; p < 0.01). No significant correlations were found between OSA severity and any other variables. The multiple linear regression analysis showed that only the awake BRUX scale sum score had a positive predictive association with daytime sleepiness (B = 0.485; [95% CI = 0.076; 0.936]; p = 0.027).
conclusionsWithin the limitations of this study, in individuals with OSA, self-reported AB showed a predictive effect for daytime sleepiness, while no significant correlation between daytime sleepiness and OSA severity emerged.
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