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Investigation of Malocclusion and Associated Factors in Preschoolers: A Cross-Sectional Questionnaire Study.

Amanda Araújo de CarvalhoTatiana Frederico de AlmeidaMaria Beatriz Barreto de Sousa CabralMaria Cristina Teixeira Cangussu
Published in: Epidemiologia (Basel, Switzerland) (2024)
This study aims to describe the prevalence of malocclusion and identify associated factors in preschool children. Completed in 2022-2023, this cross-sectional study included 523 children aged 26 to 80 months in municipal schools in Salvador. An oral examination was carried out on the children, and a questionnaire was self-administered by the parents. Descriptive analyses and multivariate logistic regression (the backward method, p -value ≤ 0.05, 95% CI) were conducted. The majority of children were female (51.82%), over 54 months old (52.2%), Black or mixed race (90.63%), and not affected by COVID-19 (92.35%). The prevalence of malocclusion was 43.21%, with open bite as the most common condition. There was a significant association between malocclusion and screen time (OR: 1.34; p : 0.116; CI: 1.0-1.94), physical/psychological aggression (OR: 2.55; p : 0.031; CI: 1.0-5.98), consumption of ultra-processed foods (OR: 1.77; p : 0.003; CI: 1.22-2.57), digital suction (OR: 3.1; p : 0.001; CI: 1.56-6.16), and the habit of biting objects (OR: 1.56; p : 0.121; CI: 1.0-2.73). The promotion of comprehensive health in early childhood and psychosocial interventions are recommended, aiming to reduce screen time, aggression, consumption of ultra-processed foods, thumb sucking, and the habit of biting objects to prevent malocclusion.
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