Authors
Caroline Lamaison, Ândrea Pires Daneris, Victória Klumb, Flávio Fernando Demarco, Bernardo Lessa Horta, Noéli Boscato, Marcos Britto Correa
Published in
Journal of dentistry. Pages 107135. Oct 25, 2026. Epub Oct 25, 2026.
Abstract
To investigate the long-term prevalence of self-reported sleep bruxism (SB) and awake bruxism (AB) and their association with mental disorders in adults from the 1982 Pelotas Birth Cohort, Southern Brazil.
Data on SB and AB were collected at age 40 using subject-based reports. Symptoms of common mental disorders (CMD) were assessed using the Self-Reporting Questionnaire (SRQ-20) at ages 30 and 40, and specific mental disorders were assessed using the Mini International Neuropsychiatric Interview (M.I.N.I.) at age 40. Exploratory variables included demographics, socioeconomic status, mental health history, and unhealthy behaviors. Associations were analyzed using crude and adjusted Poisson regression models with robust variance.
Both were associated with female sex (PR 1.48, 95% CI 1.27-1.72 for AB; PR 1.47, 95% CI 1.27-1.70 for SB) and alcohol dependence (PR 1.47, 95% CI 1.09-1.99 for AB; PR 1.34, 95% CI 1.00-1.79 for SB). Depression was associated with a higher prevalence of AB (PR 1.50, 95% CI 1.10-2.05) and SB (PR 1.41, 95% CI 1.05-1.90). Participants who experienced probable CMD at both 30 and 40 years had a higher prevalence of AB (PR 2.02, 95% CI 1.62-2.52) and SB (PR 1.52, 95% CI 1.23-1.88) compared with those who had never experienced probable CMD.
Patterns of probable common mental disorders were associated with a higher prevalence of self-reported SB and AB at age 40.
PMID:
42927863
Bibliographic data and abstract were imported from PubMed on 26 Oct 2026.
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