下颌骨成形一般多采用自体骨组织如肋骨和髂骨。但切取自体骨不适用于老人、小孩、骨髂系统疾患及放射病患者。自体骨也不易切取所需的形态,特别是形成髁状突,移植后不易恢复满意的咀嚼功能及面部外形。切取自体骨也会延长手术时间增加病人痛苦。因此作者自1958年进行了利用冷藏异 Mandibles generally use more autologous bone tissue such as ribs and ilium. However, the removal of autologous bone does not apply to the elderly, children, diseases of the bony and iliac system and radiation sickness. Autologous bone is not easy to cut the desired shape, especially the formation of condyles, not easy to restore satisfactory masticatory function and facial contour after transplantation. Tissue from the body will also increase the operation time to increase patient pain. So the author since 1958 carried out using refrigerated different