Treatment and complications of fractures of the mandible: A retrospective study

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Treatment and complications of fractures of the mandible: A retrospective study

Al-Zubi AY, Lian CB, Ngeow WC: Treatment and complications of fractures of themandible: A retrospective study. Mal. J. Oral Maxillofax. Surg. 2004: 3: 1–7.

Abstract:A total of 443 mandibular fractures in 296 patients, treated at theDepartment of Oral and Maxillofacial Surgery of the University of Malaya inKuala Lumpur, Malaysia, between 1977 and 1996 were reviewed. Almost 40% ofthe patients were Malay, with the remaining 32.8% Chinese, and 27.4% Indian,respectively. Patients’ age ranged from 3 to 77 years. The mean age was 27.2 years.The majority of the patients were male, with a male to female ratio of 6.7:1. Thehighest incidence of fracture was in the 20 – 29 year age group (49.3% of allpatients). The most common site of fracture was the body (36.3%), followed bycondyle (17.2%), symphysis, (16.0%), angle (12.4%), parasymphysis (9.5%),dentoalveolus (5.2%),ramus (2.0%) and coronoid (1.4%). There was an increasein the number of mandibular fractures treated in the second decade of study (1988-1996). Most of the patients underwent open reduction and internal fixation of theirfractures (79.4%). Forty (13.5%) patients were treated by close reduction while themode of treatment for the remaining 22 (7.2%) patients was unknown.Intermaxillary fixation and intraosseous wiring fixation was mainly used in the70s and 80s, while bone plates were used more commonly in the 90s. More thanone third of the patients had complications which include malocclusion (12.8%),limitation of mouth opening (11.5%), infection (7.1%), non-union (2.4%), andothers (2.4%).