This document summarizes various techniques for maxillary osteotomies. It discusses Lefort 1 osteotomy, Lefort 1 segmental osteotomy, Lefort 3 osteotomy, subcranial Lefort 3 osteotomy, modified Lefort 3 osteotomy, and transverse maxillary distraction osteogenesis. For each technique, it provides information on history, indications, surgical anatomy, technique, complications, and modifications when applicable. The document is a guide for orthognathic surgeons on different maxillary osteotomy procedures.
92. Technique
SAME
Advanteges
Stability
Non ex
Negative space control
Good breathing
No periodontal complications
Indications
More than 5 discerpancy
Narrow maxilla and wide mandible
Orthodentic failure
More than 7mm need
Perio Complications
Estenosis
Clefts complications