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RISS 인기검색어
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- 저자 : 최현준(Hyun June Choi) (검색결과 1 건)
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최현준(Hyun June Choi),정호균(Ho Kyun Chung) 대한구강악안면외과학회 1999 대한구강악안면외과학회지 Vol.25 No.1
This report was a 10year retrospective study on mandible fractures. The study was based on a series of 245 patients who had been treated for mandibular fractures as in-patient at Yongsan Hospital of Medical college of Chung-Ang University during the period of Jan. 1987 to Dec. 1996. The results obtained are as follows; 1. In respect of incidence, the number of fractures was increased to 1990 and then it was decreased, The ratio of Men to Women was 6 : 1. 2. The major etiologic factors were traffic accident(30.2%), fisticuffs(28.6%), falldown(25.3%), accident related to work(7.8%) and sports(6.9%). In recent years, the decreasement of fractures due to traffic accident and the increasement of fractures due to sports was impressive. 3. The age frequency was highst in the third decade(44.9%), and second(26.9%), fourth(13.9%) decade in orders. In the first decade, the cause of fractures was traffic accident and falldown only, and the fractures due to sports were concentrated on second and third decade. 4. The frequent location of mandibular fractures was symphysis(36.1%), left angle(l6.4%), right condyle(10.4%), right angle(8.6%), left condyle(8.6%), left body(5.8%), right body(5.6%), left ramus(4.0%), right ramus(3.8%). The number of average fracture site was 1.62 at each patient and the number of average fracture line was 1.91 at each patient. 5. The simple fracture was 43.7%, and the complex fracture was 56.3%, then the open fracture was 35.5%, and the closed fracture was 64.5%. 6. In respect of treatment, the frequency of open reduction was 74.3% and that of closed reduction was 25.7%, but in the condyle, closed reduction(68.0%) was the more frequently using method of treatment than open reduction(32.0%). 7. The patients were treated an average of 3.27 days after injury and the average hospitalization period was 10.07 days. 8. The mandibutar 3rd molar was existing in 60.6% of angle fractures.
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