Prevalence of oral trauma in children with bilateral clefts

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The main object of this study is to analyze the prevalence of oral trauma in subjects with complete bilateral clefts, with anterior projection of the premaxilla. A total of 106 children aging 6 months to 9 years were analyzed. The caretakers answered a specific questionnaire, in order to report the presence or absence of trauma to the soft and/or hard tissues of the child's mouth. Whenever there was a history of trauma, the patients were submitted to clinical examination. The prevalence of oral trauma was 53%, being 91% of soft tissue lesions, 8.9% of avulsion, 7% of luxation and 1.8% of intrusion. For the males, the prevalence was 56% and for the females it was 47%, with no statistical significance. Regarding the following aspects:period of time spent with the parents and at school, and presence or absence of siblings, no statistical difference could be found. Among the traumatized individuals, 80% aged less than 3 years by the moment of the trauma, 89% suffered the trauma at home, 75% presented lesions in the soft tissue at the premaxilla, 16% in the maxillary incisors, and 8.9% presented lesions in both structures. It was noticed that 45% of the permanent incisors that succeeded the traumatized deciduous teeth presented alterations, being 48% of structure and 52% of structure and position. The prevalence of trauma in this sample was superior to that observed in the literature, without any positive associations between the evaluated aspects. These results suggest that the projection of the premaxilla brings about a higher risk of oral trauma around this area.

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