Fig. 3From: Postoperative changes in the pharyngeal airway space through computed tomography evaluation after mandibular setback surgery in skeletal class III patients: 1-year follow-upSV-B distance change. a Group 1 (bilateral sagittal split ramus osteotomy [BSSRO]). b Group 2 (BSSRO + Le Fort I osteotomy). T0 before surgery, T1 2 months after surgery, T2 6 months after surgery, T3 1 year after surgery, SV-B the distance from the sella vertical plane to the B pointBack to article page