This is a clinical and retrospective study on the patients with oral and maxillofacial trauma. This study was based on a series of 917 patients were treated as in-patients, at Chon-buk National University Hospital, during the period of Jan., 1989
through Dec., 1993.
@ES The results obtained were as follows :
@EN 1. The ratio of men to women were 2.59 : 1 in oral and maxillofacial injuries, 3.92 : 1 in facial bone fractures, and 3.18 : 1 in soft tissue injuries.
2. The oral and maxillofacial injuries occurred most frequently in the third decade(32.2%), and fourth, second, fifth decade in orders.
3. The major etiologic factors were traffic accident(57.4%) and fall- down(17.1%), interpersonal accident(16.6%), and industrial accident were next in order of frequency.
4. The incidence of facial bone fracture was 72.1%, soft tissue injury 58.8%, and dental injury 40.5%.
5. The most common site of fracture were mandible(62.9%) and maxilla(19.9%), zygoma and zygomatic arch(18.7%), and nasal bone(4.7%) were next in order of frequency.
6. The most common type of soft tissue injury was laceration(51.0%). The lesion of soft tissue injuries were mostly 1 or 2 lesions and deep.
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