方法：对于52例不同类型下颌骨骨折患者采用不同的口外或口内切口及相应的固定方法。
Methods: 52 cases were treated by internal or external incisions and corresponding fixation methods according to their mandibular fracture types.
方法：对于52例不同类型下颌骨骨折患者采用不同的口外或口内切口及相应的固定方法。
Methods: 52 cases were treated by internal or external incisions and corresponding fixation methods according to their mandibular fracture types.
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