The author investigated the 162 patients with the condylar fractres of the mandible who were admitted in Dept. of Oral and Maxillofacial Surgery, Hospital of Chosun Dental School from January 1985 to September 1992 clinically, including fracture
incidennce, age and sex of the patients, causes of injuries, associated injuries, treatments sand complications and obtained the following results.
1. Of the 449 patients with mandibular fractures, 162patients suffered condylar fractures (36.1%).
2. Of the 162 pateitns, males with condylar fractures were 128 pateitns, by a ratio of 3.8:1.
3. The most frequently affected age group was the third decade (32.7%).
4. Falls were ranked as the predominant cause (50.6%), followed by traffic accident (27.8%) and violence (16.0%).
5. The incidence of single condylar fractures was 28% and symphysis fractures were the most commomest of the concomittant injuries (60%).
6. The subcondylar fractures occurred most frequently (41.6%) and anteromedial displacement of the condylar fragments occurred most frequently (45.4%).
7. Of the all condylar fracture patients, children under 15 of age comprized 31 patients (19.1%) and condylar head fractures occurred most frequently at those children.
8. Of the managetments in condylar fractures, open reduction was 52.5% and remainder were closed reduction (47.5%).
9. Complications ensued such as TMJ ankylosis, limitation of mouth opening and mandibular movements, TMJ dysfunction, and anterior open bite.
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