Fractures of the mandible

Fractures and facial paralysis
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by Xavier Lachiver
created on
29/08/2017
modified on
11/10/2017
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Fractures of the mandible require appropriate treatment to avoid complications that can be severe.

Fractures of the toothed part of the mandible can, in some cases, be treated surgically, using mini-titanium plates inserted through an incision in the oral mucosa. If they are complex, the dental arches may need to be locked together, either with screws placed at the level of each gum, or with arches attached to each tooth. These screws or arches are then connected by wires or elastics that prevent or restrict the opening of the mouth. Fractures of the ascending branches and articulations may sometimes justify an incision behind the angle of the mandible. If they are not displaced, they are more likely to be treated by blocking, which may take between 10 and 30 days, depending on the type of fracture.

In the event of an open fracture in the mouth, surgical treatment must be carried out within 48 hours, otherwise there is a risk of infection.

Triple fracture of mandible (arrows)

Treatment with mini-plates (large arrows), blocking with screws connected by elastics (4 small arrows) to stabilize the non-displaced fracture of the left ascending limb.