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[Fractures of the mandibular angle: factors predictive of infectious complications]
E Soriano1, V Kankou, B Morand
1Service de Chirurgie Maxillo-Faciale, CHU A. Michallon, BP 217, 38043 Grenoble Cedex 9.
Introduction:
Fractures of the mandible angle raise the risk of infectious complications. We searched for factors predictive of these complications.
Material And Methods:
We reviewed retrospective all cases of mandibular angle fracture treated during a 26-month period. We compared two groups: fractures with wisdom teeth and fractures without wisdom tooth. For each group we noted clinical and radiological characteristics of the fractures and infectious complications.
Results:
The series included 72 mandibular angle fractures, 30 with a wisdom tooth against 42 without. Most of the patients were treated within 2 days, generally using mini-plate screw fixation. In the wisdom tooth group, 16.6% of patients developed infectious complications versus 9.5% in the without wisdom tooth group. All patients of the wisdom tooth group presented a potentially infectious focus on the preoperative x-rays. For without wisdom tooth group, irregular follow-up was found to be the only risk factor.
Discussion:
The angular localization increases the risk of infectious complications especially if the wisdom tooth is in the fracture. We propose a decision tree to determine when to preserve or not the wisdom tooth.
