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Effect of body mass index percentile on skeletal maturation of cervical vertebrae and hand-wrist and dental maturation

Abstract Objective: The aim of this study was to evaluate the relationship between age- and gender-specific body mass index (BMI) percentile and skeletal and dental maturation in Turkish adolescents. Materials and methods: A sample of 429 patients (171 males, 258 females aged between 7 and 17 years) was selected. Skeletal maturation was identified in the hand-wrist radiography by Björk, Grave and Brown (BGB), and the cervical vertebrae maturation (CVM) method defined by Hassel and Farman in lateral cephalometric radiography. Dental maturation was determined by the Demirjian method. BMI was calculated by reference curves used for Turkish children. A regression model was used for the relationship between BMI percentile and skeletal and dental maturation. Results: There was no significant correlation between BMI and skeletal maturation of cervical vertebrae and dental maturation. A one-percentile increase in BMI percentile accelerates the increase of period (likelihood of being post-pubertal period) to 1.016 times (p < .05). Skeletal maturation of hand-wrist and cervical vertebrae and dental maturation were more prominent in females compared to males (p < .05). Males and females were not statistically significantly different in BMI percentile (p = .52). Conclusions: BMI may be considered before deciding to estimate the skeletal and dental maturation in an individual by the relevant methods.