Background: Traumatic dental injury (TDI) is an important public dental health problem among schoolchildren. The\naim of the study was to investigate the relationship between TDIs, obesity, and other possible associated factors like\ngender, overjet, lip coverage, parents� education level and family income among 12-year old Jordanian schoolchildren.\nMethods: A cross-sectional population-based study examined a total of 1015 schoolchildren attending 34\nschools randomly selected from urban and rural areas of Amman-the capital city of Jordan. The epidemiological\nclassification adopted by WHO and modified by Andreasen et al. was used to classify TDIs. Obesity was defined\naccording to the international cut-off points of body mass index for boys and girls between 2 and 20 years old.\nResults: The prevalence of TDIs was 16.3%. Enamel fracture was the most common type of TDIs (65%). Neither\nparents� education level nor family income had a significant effect on TDI occurrence (P > 0.05). Results of\nmultiple logistic regression showed that TDIs were significantly more prevalent among males (OR = 1.42, CI;\n1.01-2.01, P < 0.05), and children with inadequate lip coverage (OR = 1.95, CI; 1.35-2.81, P < 0.05). The relationship\nbetween TDIs and obesity was not statistically significant (P > 0.05).\nConclusions: Being a male with inadequate lip coverage was associated with higher probability of having a\nTDI. Obesity had no significant effect on the occurrence of TDIs.
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