Nutritional and non-nutritional habits and occurrence of malocclusions in the mixed dentition

Malocclusions are changes in the development of craniofacial structures of high prevalence. Associated risk factors are diverse and nutritional and non-nutritional suction habits are the most reported. The aim of this study was to estimate the prevalence of malocclusions in the mixed dentition and t...

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Published in:Anais da Academia Brasileira de Ciências 2020-01, Vol.92 (1), p.e20190833-e20190833
Main Authors: Traebert, Eliane, Zanini, Francielle A, Nunes, Rodrigo Dias, Traebert, Jefferson
Format: Article
Language:English
Subjects:
Bottle Feeding - adverse effects
Brazil - epidemiology
Breast Feeding - statistics & numerical data
breast-feeding
Child
Cross-Sectional Studies
Dentition, Mixed
Female
Habits
Humans
Male
Malocclusion - epidemiology
Malocclusion - etiology
malocclusions
MULTIDISCIPLINARY SCIENCES
Pacifiers - adverse effects
Prevalence
Risk Factors
schoolchildren
Socioeconomic Factors
suction habits
Time Factors
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Summary:Malocclusions are changes in the development of craniofacial structures of high prevalence. Associated risk factors are diverse and nutritional and non-nutritional suction habits are the most reported. The aim of this study was to estimate the prevalence of malocclusions in the mixed dentition and to study possible association with practices of breastfeeding and suction habits among Brazilian schoolchildren. A cross-sectional study involving a sample of 664 6-year-old children and their families was carried out. Data collection was done through interviews with mothers in the homes and oral examinations of children in schools. Multivariate analyses were performed using the Poisson regression with a robust estimator. The prevalence of overjet over 4 mm was 21.1% and of posterior crossbite was 12.2%; 91.9% of the children were breastfed, 79.0% used a nursing bottle and 49.4% used a pacifier. Significant and independent associations were observed between father's unemployment, private school, interruption of breastfeeding before the fourth month and pacifier use with certain malocclusions. High rates of malocclusion were found in the studied sample. Socioeconomic conditions, breastfeeding practices and suction habits were shown to be statistically associated with their occurrence.
ISSN:0001-3765
1678-2690
1678-2690
DOI:10.1590/0001-3765202020190833