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Revista Portuguesa de Estomatologia, Medicina Dentária e Cirurgia Maxilofacial
versión impresa ISSN 1646-2890versión On-line ISSN 1647-6700
Resumen
PIMENTA, Carolina; ESPERANCINHA, Carina; BERNARDO, Mário y MENDES, Sónia. Malocclusion in primary dentition: a cross-sectional study in a Lisbon population. Rev Port Estomatol Med Dent Cir Maxilofac [online]. 2023, vol.64, n.1, pp.28-34. Epub 31-Mar-2023. ISSN 1646-2890. https://doi.org/10.24873/j.rpemd.2023.03.1048.
Objectives:
To study the prevalence of malocclusion in deciduous dentition and its associated factors.
Methods:
The target population consisted of children between 3 and 5 years old who attended four kindergartens in Alvalade, Lisbon. Data was collected through a questionnaire to parents and an intraoral examination of children. The questionnaire collected sociodemographic and non-nutritive sucking habits information. The intraoral examination collected data about the child’s occlusion and dental caries.
Results:
The sample included 89 children. The prevalence of malocclusion was 83.9%, and the most prevalent types were crowding (44.8%) and distocclusion (41.4%). Most of the children (68.2%) had non-nutritive sucking habits, of which using a pacifier was the most frequente (81.6%). The habit of using a pacifier after three years of age was reported by 67.8% of the participants. The variables statistically associated with malocclusion (p<0.05) were age, mother’s education level, non-nutritive sucking habits, use of pacifiers and thumb sucking, and caries in primary teeth.
Conclusions:
The prevalence of malocclusion and non-nutritive sucking habits was high. Early diagnosis and intervention are important to avoid serious malocclusion problems and structural and functional changes.
Palabras clave : Behaviors; Deciduous dentition; Malocclusion; Prevalence.