Traumatized Anterior Teeth among 13-15 Years Old Intermediate School Students in Hilla City, Babylon Governorate- Iraq

Background: Dental trauma in children and adolescents is a common public health problem in all societies and the prevalence of these injuries has increased during the past few decades. Injury of permanent teeth may cause cosmetic, functional and psychological problems to the patient. The aim of this study was to investigate the prevalence and severity of traumatized anterior teeth in relation to age, gender, type of injury and type of occlusion. Materials and methods: An epidemiological survey was conducted through clinical exanimation of permanent anterior teeth among 3855 students, 13-15 years old enrolled in 17 public intermediate schools in Hilla city. Dental trauma were assessed according to Garcia-Godoy classification. Recording the type of occlusion according to criteria of Millis. Results: The prevalence of students with traumatic dental injuries was 7.1% of the total sample. Simple enamel fracture was the most common type of injury among traumatized teeth while luxation was the least common type of dental injury. Males were more affected than females with statistically significant difference (P 0.05). The highest prevalence of dental trauma was recorded among the 14 year age (7.9%). Most of the traumatized subjects had only one tooth traumatized (71.3%).The highest prevalence of traumatized students were found with class II division 1 malocclusion. Conclusion: The prevalence of traumatized dental injuries was highly associated with gender and with class II division 1 malocclusion while it was not associated with age. Simple enamel fracture was the most common type of injury. Keywords: Dental trauma, permanent teeth, type of occlusion.