Objective To investigate the relationship between the body mass index (BMI) and the decayed missing filled teeth (DMFT) of children aged 3 to 5 years in Bianba County, Tibet, so as to provide ideas for the development of preventive measures for children's dental health. Methods A total of 265 children aged 3 to 5 years,including 136 boys and 129 girls, were randomly selected from 11 township hospitals in Bianba County of Changdu city from May to August in 2019. A professional pediatrician who were professionally trained was selected to perform oral examination on the children using a uniform probe and mouthpiece and to record the number of missing teeth and calculate the DMFT index. Using the corrected height and weight measuring instrument, the height and weight of the children were measured in the same period, and the BMI was calculated. Statistical analysis was performed between the caries and BMI using SPSS 22.0 statistical software. Results There were statistically differences in BMI and DMFT of children among skinny,overweight,obese,control groups(F=14.824,P<0.001;H=33.125,P=0.002).The scatter plot analysis and Spearman correlation analysis showed that DMFT was negatively correlated with BMI(rs=-0.68,P=0.001). Conclusions DMFT of 3- to 5-year-old children is closely related to BMI. Oral hygiene of children should be examined regularly to improve their quality of life.
Key words
body mass index /
decayed missing filled teeth /
children caries
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