Obesity and dental caries among preschool children in Brazil
Obesidad y caries dental en preescolares de Brasil
Palabras clave:
Epidemiology, dental caries, obesity, preschool child, decayed, missing and filled teeth score (en)Epidemiología, caries dental, obesidad, preescolares (es)
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Aim. This study was aimed at verifying the relationship between childhood obesity and dental caries.
Method. A total of 2 651 preschool children were examined for this cross-sectional study in Recife, Pernambuco, Brazil; 1 338 of them attended public schools and 1 313 private schools. The clinical data and anthropometric measurements were obtained in line with WHO criteria. Pearson chi-square and Mann-Whitney tests were used, with a 5 % margin of error.
Results. The prevalence of child obesity was 9 % (n=240). The highest prevalence was observed amongst children in private elementary schools (p<0.0001). The prevalence of dental caries was 19 % (n=504). The DMFT index was smaller in non-obese individuals (p=0.0267). The average value of dental caries, lost teeth and DMFT were significantly higher among children in public elementary schools than amongst those in private pre-schools (p<0.0001).
Conclusion. No relationship was found between dental caries and obesity. Suitable health policies should be adopted so as to minimise the high prevalence of dental caries among this population.
Objetivo. Verificar la relación entre obesidad infantil y caries dental.
Métodos. Estudio de corte transversal en Pernambuco, Brasil, con 2 651 niños preescolares, de los cuales 1 338 se encontraban en escuelas públicas y 1 313 en escuelas privadas. La información clínica y antropométrica se obtuvo de acuerdo con los criterios de la OMS. Se utilizaron las pruebas de Chi cuadrado de Pearson y Mann-Whitney con un error del 5 %.
Resultados. La prevalencia de obesidad infantil fue de 9 % (n=240). La prevalencia más alta se encontró en los niños de las escuelas primarias privadas (p <0.0001). La prevalencia de caries dental fue de 19 % (n=504). El dmf-t índice fue más pequeño en los individuos no obesos (p=0.0267). El valor promedio de caries dental, pérdida dental y dmf-t fueron significativamente más altas en los niños de las escuelas primarias públicas que en las privadas del mismo tipo (p <0.0001).
Conclusiones. No se encontró relación entre caries dental y obesidad. Políticas de salud adecuadas deben ser adoptadas para reducir la alta prevalencia de caries dental en esta población.
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