Prevalence, Etiology and Treatment Needs of Traumatic Dental Injuries in Schoolchildren aged 12 years at Brasília, Brazil

ABSTRACT

To investigate the prevalence of dental trauma, its causes, sites and age at the occurrence of injuries and treatment needs related to dental trauma in schoolchildren aged 12 years at Brasília, DF, Brazil.Material and Methods:A cross-sectional, population-based study was conducted on a sample of 1,389 schoolchildren of public and private schools. Two questionnaires were used one targeted to parents/legal caretakers and the other responded by the schoolchildren. The criteria for classification of trauma used in the ChildrenÆs Dental Survey in the United Kingdom were adopted. The examinations were performed by two trained and calibrated examiners (inter and intra-examiner kappa 0.85 to 1.00). The association between dental trauma and the study variables was evaluated by the chi-square test.Results:A total of 1,445 students were examined, with a response rate of 80.48%. Prevalence of 14.63% (public schools) and 23.40% (private schools) of dental trauma was found...(AU)