Background and objectives:Obese subjects have an inherent chemosensory deficit due to reduced Fungiform papillae density (FPD) resulting in increased food consumption. The study aimed to assess the relationship between Body mass index (BMI) and Fungiform papillae density in subjects with increased and normal BMI. Methodology: A total of 110 subjects were randomly included in the study. The BMI of the subjects was calculated after recording the height and weight of the subjects. Subjects were categorized as Normal weight (18.0 to 22.9 kg/m 2 ), Overweight (23.0 to 24.9 kg/m 2 ) and Obese (Greater than 25 kg/m 2 )based on the standard BMI definition values of Asian Indian population. The FPD was assessed on a photograph of a stained area of the tongue. Scoring of fungiform papillae was done using the Denver Papillae Protocol Dichotomous Key and counted using a software.Results were tabulated and statistically analyzed. Results: There was a significant negative correlation between BMI and FPD (correlation= -0.344, p=0.000) among the normal weight, overweight and obese subjects. Multiple regression analysis revealed a significant reduction in FPD with increasing frequency of eating sweets and fatty foods (p=0.028 and 0.023 respectively). Conclusion: A reduction in FPD was noted with increase in BMI which in turn may have a role in food consumption pattern of an individual.
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