Figure 1

Flowchart of the group of subjects enrolled in this study. Among 90 patients (32 men and 58 women) who underwent orthognathic surgery of the upper and lower jaw in our department between April 2021 and March 2022, 17 women with skeletal Class II high-angle cases (FMA ≧ 30°) and 34 with side mandibular condyle were included. (Some of the patients had preoperative abnormalities on one side and no preoperative abnormalities on the contralateral side and belonged to both groups.). (*Horizontal distance from the midline of the face to the Me is > 4 mm). FMA angle: angle between Frankfurt plane and mandibular submarginal plane.