对因感染、良性及恶性肿瘤切除后所造成的下颌骨缺损,不可避免引起严重的颜面畸形和功能障碍,故应立即植骨以恢复下颌骨的完整、外形和功能。对于下颌骨切除后的缺损,在受植床无感染情况下,临床上可采用自体骨移植、异体骨移植或植入有机玻璃支架、钛合金支架、碳素支架等以整复下颌骨缺损。但局部 Due to infection, benign and malignant tumors caused by mandibular defect, inevitably lead to serious facial deformities and dysfunction, it should be immediately bone graft to restore the integrity, shape and function of the mandible. For mandibular resection of the defect, in the absence of infection by the implantation of the bed, the clinical can be used autologous bone graft, allogeneic bone graft or implanted plexiglass stent, titanium stent, carbon stent to reconstruct mandibular defects. But locally