Comparison Between Two Techniques to Reposition the Maxilla After le Fort 1

"1. All patients will be treated under general anesthesia.~2. The surgical field will be scrubbed with povidone-iodine surgical scrub solution, followed by draping of the patient with sterile towels exposing only the area of surgery.~3. The surgical procedure of Le Fort I osteotomy will be performed which can be summarized as follows:~ 1. External reference marking~ 2. Incision and subperiosteal dissection~ 3. Maxillary osteotomy~ 4. Pterygomaxillary disjunction,~ 5. Septal, vomerine, and lateral nasal osteotomies~ 6. Down fracture~ 7. Mobilization of the maxilla~ 8. Application of stent in one group and the locating guide in the other group.~ 9. Maxillary fixation~ 10. Occlusal evaluation~ 11. Wound debridement and closure"