Epidemiology of mandibular fractures in a tertiary trauma centre.
BACKGROUND
Fractures of the mandible are common facial injuries. Patients frequently require hospitalisation, surgical intervention and extended periods of convalescence.


METHODS
A prospective database of patients presenting to the Oral and Maxillofacial Surgery service at Christchurch Hospital during an 11-year period was reviewed. 1045 patients with mandibular fractures were identified. Variables examined included demographic data, type of fractures, mode of injury and treatment delivered.


RESULTS
More than 90% of patients were men, with 64% in the 15-29 years age group. Interpersonal violence accounted for 49% of fractures, followed by sports (16%), falls (13%) and motor vehicle accidents (10%). The condyle was the most frequent fracture site (34%) and multiple fractures were seen in 37% of patients. Hospitalisation was required for 53% of patients with 89% of these treatments being open reduction and internal fixation.


CONCLUSIONS
Mandibular fracture is a common facial injury. The incidence is highest in young men who are victims of interpersonal violence. Alcohol is a major contributing factor. Management involved hospitalisation and surgical intervention for more than half of those presenting.
Lee
K H
KH
Oral and Maxillofacial Surgery Unit, Christchurch Hospital, Christchurch, New Zealand. Klee1@gmp.usyd.edu.au
D000293:Adolescent; D000328:Adult; D017677:Age Distribution; D000368:Aged; D000369:Aged, 80 and over; D002675:Child, Preschool; D005260:Female; D006760:Hospitalization / Q000706:statistics & numerical data; D006801:Humans; D008297:Male; D008337:Mandibular Fractures / Q000453:epidemiology* / Q000209:etiology; D008875:Middle Aged; D009520:New Zealand / Q000453:epidemiology; D011446:Prospective Studies; D014193:Trauma Centers / Q000706:statistics & numerical data