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Background: Bruxism has a multifactorial etiology, including the influence of sleep characteristics and chronotypes. Aim: To identify the pathways that influence the occurrence of probable sleep bruxism (PSB) and probable awake bruxism (PAB) in adolescents. Design: A total of 403 adolescents, aged 12–19 years, participated in the study. Parents/caregivers filled out a questionnaire about sociodemographic issues and the adolescent's health conditions, and the adolescents about sleep characteristics, occurrence of bruxism (based on previous study and the International Consensus of Bruxism), and chronotype (Circadian Energy Scale). Clinical examinations were performed. Statistical analysis included descriptive analysis and path analysis. Results: PSB and PAB are related to each other, with moderate and positive correlation (β =.390). Poor sleep quality and higher household income had a direct effect on both PSB (β = −.138; β =.123, respectively) and PAB (β = −.155; β =.116, respectively). Chronotype had a direct effect on PSB, in such a way that adolescents with a morningness chronotype tend to have PSB (β = −.102). Adolescents that drool on the pillow (β =.184) and/or have agitated sleep (β =.104) tend to have PSB. Conclusion: Poor sleep quality, household income, morningness chronotype profile, drooling on the pillow, and agitated sleep influence the paths taken by PSB. PAB was influenced by the quality of sleep and family income. [ABSTRACT FROM AUTHOR]

Aim: The aim of this systematic review and meta‐analysis was to evaluate the association between sense of coherence (SOC) and dental fear/dental anxiety. Methods: Computerized searches were performed in six databases. Gray literature and manual searches were also conducted. Study selection, risk of bias assessment, and meta‐analyses were performed. The results of meta‐analyses were reported in odds ratio (OR), mean difference (MD), and confidence interval (CI). Results: After removing duplicates, 131 references were retrieved and the full texts of 12 were evaluated. Nine references met the eligibility criteria and were included. The results of meta‐analyses demonstrated that individuals with a weaker SOC had a score in the dental anxiety/dental fear scale 6.04 times higher than individuals with a stronger SOC (OR = 6.04, CI = 2.62–13.91). Individuals with no dental anxiety/dental fear had a mean score of the SOC scale higher than individuals with dental anxiety/dental fear (MD = 5.39, CI = 2.21–8.56). Sensitivity analysis demonstrated that the result of a higher mean score of the SOC scale among individuals with no dental anxiety/dental fear remained (MD = 7.38, CI = 3.79–10.98). Risk of bias ranged from low to high. The certainty of evidence was very low. Conclusion: Individuals with stronger SOC have lower levels of dental fear/dental anxiety. [ABSTRACT FROM AUTHOR]

Background: Oral outcomes may have an impact on quality of life. The aim of this study was to assess factors associated with the impact of fixed appliance orthodontic treatment on the oral health-related quality of life (OHRQoL) of adolescents., Material and Methods: Individuals aged 10 to 18 years undergoing orthodontic treatment were included. Data regarding adolescents' sex and age, parental schooling, family income, and number of individuals who depend on income were collected. Clinical variables, orthodontic tooth extraction and malocclusion severity were also analyzed. OHRQoL was assessed with a questionnaire with items distributed across nine domains: aesthetics, functional limitation, diet, hygiene, maintenance, physical impact, social impact, time constraints, and transport/cost inconveniences. The higher the score, the more negative the adolescent's perception of his/her OHRQoL. Statistical analysis was performed., Results: Seventy-five adolescents participated. Individuals aged ≤12 years had a more negative perception of the diet domain ( p =0.026). Individuals whose parents/guardians had ≥8 years of schooling had a more negative perception of the impact on the hygiene domain ( p <0.024). Individuals whose families had an income of ≤2 salaries had a more negative perception of the maintenance domain ( p =0.016). Girls had a more negative perception of the physical impact domain ( p <0.018). Girls ( p =0.011), adolescents whose families had an income of ≤2 salaries ( p =0.003), and adolescents who had severe malocclusion ( p =0.026) had a more negative perception of the transport/cost inconveniences domain. Girls had a significantly higher overall score in response to the questionnaire than boys ( p =0.041)., Conclusions: Adolescents' sex, age, and malocclusion as well as parental education and family income were associated with the impact of orthodontic treatment on adolescents' OHRQoL. Key words: Adolescent, Quality of life, Orthodontic treatment, Fixed appliance., Competing Interests: Conflicts of interest The authors have no potential conflicts of interest to declare., (Copyright: © 2024 Medicina Oral S.L.)