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目的：下颌骨缺损的修复旨在重建下颌骨的完整性，恢复下颌骨功能和口腔功能，矫正颌面畸形。方法：按常规切除病变的下颌骨节段；取适宜自体肋骨、肋软骨游离移植颌骨缺损，骨接端用不锈钢丝结扎固定，并采用颅颌绷带辅助固位。结果：８０例治疗患者中，植骨成骨、修复效果满意者７８例，占９７．５％（７８／８０）；植骨块最终取出，植骨失败２例，占２．５％（２／８０）；植骨床感染１１例，占１３．７５％（１１／８０）；结论：自体肋骨软骨游离移植仍不失为修复下颌骨缺损较理想的方法。
OBJECTIVE: Reconstruction of the mandible defect aims to reconstruct the integrity of the mandible, restore mandibular function and oral function, and correct maxillofacial deformity. Methods: The mandibular segment of the lesion was routinely excised. The mandibular segment of the costal cartilage was freely transplanted with appropriate autologous rib. The bone end was ligated with stainless steel wire and the cranial jaw bandage was used to assist the retention. Results: Of the 80 patients treated with bone grafting, 78 patients (97.5%) were satisfied with the bone repairing effect. The final bone graft was removed, and the bone graft failed in 2 patients (2.5%, 2 / 80). There were 11 cases of bone bed infection (13.75%, 11/80). Conclusion: Autologous rib cartilage free transplantation is an ideal method for repairing mandibular defects.