Orthognathic Surgeries and Pharyngeal Airway Space
Orthognathic Surgeries and Pharyngeal Airway Space
twenty-four patients with dentoskeletal deformity of class III will be divided equally into
 two groups and will be subjected to orthognathic surgeries group A; will be treated by
 mandibular setback surgery while group B will be treated with bimaxillary orthognathic
 surgery in the form of mandibular setback and maxillary advancement surgeries. the total
 pharyngeal airway will be measured on lateral cephalometric radiographs, integrating
 retro-palatal and retro-glossal area, and statistically will be compared preoperative,
 immediate postoperative, and at 6 months post-surgically
Inclusion Criteria:

 -  dento-skeletal class III malocclusion which needed a surgical intervention with
 maxillary advancement surgery and/or mandibular set-back orthognathic surgery in the
 form of bilateral sagittal split osteotomy

 -  no previous orthognathic surgery

 Exclusion Criteria:

 -  Patients with craniofacial syndromes.

 -  Medically compromised patients and patients with bone anomalies