Orthognathic Treatment with Distraction Osteogenesis in Two Asymmetry Cases

Distraction osteogenesis (DO) is commonly performed procedure in craniofacial surgery and especially useful in treating craniofacial anomalies. Hemifacial microsomia (HFM) and unilateral Tessier no 7 cleft anomalies are congenital anomalies and creates facial asymmetry due to hypoplastic bones and soft tissues but each had unilateral maxillomandibular hypoplasia. DO in HFM cases are well-known technique however there is a lack of information about DO in Tessier cleft 7 in literature. This report describes the use of DO in HFM and Tessier cleft 7 however the characteristics of the mandible and also maxillomandibular deviation in two cases were similar so two cases were reported in our study. Gonial, occlusal, maxillary, nasal base and lip cants were measured. In both case with DO is combined with fat grafting methods so more symmetric and balanced facial contours were obtained in postoperative 5 years follow-up period.