ABSTRACT
The lower part of the face, especially mandible is more susceptible to fracture. This study was done to estimate the prevalence and the causes of mandibular fractures in the patients referred to Taleghani Hospital 1999-2003. The patients with mandibular fracture referred to Taleghani Hospital were studied. The site of fracture, the kind of surgery done, the causes of fracture were recorded and inserted into SPSS software. Four hundred and twenty seven patients [364 male, 63 female], between 3 to 83 years old were referred for mandibular fracture. The peak of incidence occurred in the ages of 20-30. The condylar fracture was the most frequent in mandible. Of the fractures, more than%45 of the fractures were due to car and motor vehicle accidents. Most patients [%71.1] were treated by close reduction surgery. To prevent the mandibular fractures it is recommended to obey the traffic rules and make the drivers to use safety devices during driving