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[Analysis of 413 cases of mandibular fractures]
1Department of Oral and Maxillofacial Surgery, College of Stomatology, West China University of Medical Sciences.
Objective:
To investigate the characteristics of mandibular fracture.
Methods:
413 patients with mandibular fracture were chosen from patients who received treatment at the department of oral and maxillofacial surgery, College of Stomatology, West China University of Medical Sciences from 1986 to 1995, and a retrospective study was carried out. Chi-square test, t-test and linear regression were used to analyzed age, sex, causes, anatomic site, complicated injury, and treatment of jaw fracture.
Results:
Fracture of Mandible occurred mainly in male, and during 20 to 29 years old. Mental fracture was common in mandibular fracture, and fracture of central craniofacial bone and craniocerebral injury were often complicated with jaw fracture.
Conclusion:
Mandibular fractures are caused mainly by traffic ever since 1990, and rigid intrafixation is a satisfactory treatment which has been accepted by surgeons.