抄録
The treatment goal of maxillofacial bone fracture is to recover the preinjury occlusion and facial appearance. In order to obtain good results, it is important to reduce the deviated bone fragments to the anatomically proper positions and to reestablish the preinjury occlusion by intermaxillary fixation.
In conservative treatment, bone fragments are indirectly reduced and fixed by reestablishing the proper occlusal relationship with intermaxillary fixation.
In surgical treatment, the key to successful surgical treatment is to rebuild the buttresses and rigidly fix these parts.
Sufficient knowledge of the biomechanics of the jawbone and the characteristics of each fixation material and fixation system are necessary for osteosynthesis of bone fragments.
There are various osteosynthesis methods and materials, but in recent years, titanium plates and screws are mainly used.
In the surgery for maxillary fracture, it is important first to restore the occlusal relationship with the mandible, and then to rebuild and rigidly fix the buttresses.
In the surgery for mandibular fracture, a plate is placed based on the Champy theory or AO concept according to the fracture mode such as the fracture site, number of fracture lines, and state of bone fragments.
