Study of associated factors with probable sleep bruxism among adolescents
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Universidade Federal de Minas Gerais
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Study Objectives: To evaluate the prevalence of probable sleep bruxism (SB) and its association with sleep features, orthodontic fixed appliance wearing, and extraoral and intraoral clinical signs and symptoms in a population of adolescents. Methods: Two hundred thirty-nine 12-year-old adolescents enrolled in private and public schools in Brumadinho, southeast Brazil, and their parents were invited to participate. They answered a questionnaire containing information regarding adolescents’ sleep features and history of SB. Extraoral and intraoral examination was performed to identify some clinical signs (ie, absence of lip competence, presence of mouth breathing, clicks in the temporomandibular joint [TMJ], tooth wear) and symptoms (ie, pain in the masseter muscle upon palpation), andongoing orthodontic treatment with fixed appliances. Parental report and clinical examination were used to determine probable SB. Descriptive statistics and logistic regression were performed to identify association of probable SB with independent variables. Results: Of 239 adolescents initially selected, 231 (96.6%) participated in the study. Prevalence of probable SB was 16.9%. Adolescents who snored during sleep (odds ratio [OR] = 3.14; 95% confidence interval [CI] = 1.47–6.70), adolescents who did not have clicks in the TMJ (OR = 3.37; 95% CI = 1.11–10.15), and those who wore orthodontic appliances (OR = 2.72; 95% CI = 1.04–7.14) were more likely to be in the group with probable SB. Conclusions: Snoring, absence of clicks in the TMJ, and fixed appliance wearing were associated with probable SB among adolescents. This study adds to the ongoing research on SB in adolescents and its associated factors.
Abstract
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Adolescent, Bruxism, Epidemiology, Orthodontic appliances, Sleep, Temporomandibular joint disorders
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Adolescent, Bruxism, Epidemiology, Orthodontic appliance, Sleep, Temporomandibular joint disorders
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https://jcsm.aasm.org/doi/10.5664/jcsm.7276