Conclusions: Mandibular asymmetry could be effectively corrected by orthognathic surgical procedures and/or distraction osteogenesis and free flap transplantation.

• 目的： 研究应用正颌外科手术方法结合牵引成骨技术和组织瓣游离移植技术矫正下颌骨的各类不对称畸形。