口內接近 zygomatico-maxillary advancement 骨切斷成形 1例

Surgical correction of midfacial deformity by intraoral zygomatico-maxillary advancement osteotomy

This is to report a case of midfacial under-development corrected by Intraoral Zygomatico-Maxillary Advancement Osteotomy. 1. The osteotomy was done on the maxilla from the mid-nasal cavity to the anterior wall of zygoma, preserving the infra-orbital rim & nerve and extending to the pterygomaxillary fissure. 2. Bone segments taken from mandibular osteotomy site were grafted between the proximal zygoma and advanced facial fragment. 3. The advanced zygomatico-maxillary segment was immobilized by interosseous wiring and craniomaxillary suspension fixation for 2 weeks. 4. The prognosis was eood without any complications or relapse tendency.