“…Because many of cleft patients were present with vertical maxillary deficiency, surgical correction mostly involved inferior repositioning of the maxilla in conjunction with advancement. Downward movement of maxilla was reported in many studies which include CO [9,11,36,37], EDO [13], and IDO [16,20,22]. Clockwise rotation of the maxilla had been reported with a tendency of posterior open bite in IDO [17,18].…”