Correlation of body mass index with eruption time of permanent first molars and incisors and caries occurrence: A cross-sectional study in school children in Uttar Pardesh, India

Abstract

Aims and Objectives: To determine the mean eruption time of permanent first molars and incisors; to compare this with Body Mass Index (BMI); to correlate the caries frequency with BMI. Materials and Methods: 100 school children of ′just erupted′ teeth of age 5-10 years were obtained from 10 different schools of Modinagar city, Uttar Pradesh. Weight and height of these individuals were measured and the clinical examination of the oral cavity was done to assess the caries frequency and the eruption status of permanent teeth. Pearson correlation coefficient was utilized to find the correlation between BMI, eruption time and caries frequency. Results: BMI and eruption time were found to be negatively associated. A strong positive and significant correlation was observed between BMI and (dft + DFT) score for overweight females, while no significant difference was observed in case of males. Conclusion: Eruption time of permanent first molars and incisors increases with decrease in BMI values, while caries frequency increases with increase in BMI values.

Keywords

Body mass index - caries frequency - eruption time

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