하악골절에 관한 후향적 임상 연구

Abstract

This study was to perform retrogradely for a clinical and statistical analysis 295 mandibular fracture patients who were treated under admission in department of dentistry of Dongsan hospital from 1995 to 2002. The ratio of men to women was 3.4 : 1 and traffic accident was the most frequent cause of fracture. The age frequency was the highest in third decade (36%) and summer was the most frequent season of the year. In mandibular fracture, there were 513 fracture lines and the most frequent sites are symphysis (42.1%) and angle (25.9%), condyle (17.8%) were next in order and average fracture line per patient was 1.74. Open reduction rate was 75.4% and average admission term was 10.9 days. The common associated injuries were laceration (47.2%) and alveolar bone and tooth trauma (32.1%).