下颌口底癌疗效目前尚不够满意。由于其解剖上的特殊性,根治性放疗、化疗易引起下颌骨坏死、暴露、瘘管形成等;而且手术治疗,特别是口底、下颌骨半侧切除后的大块组织缺损和创口一期缝合后可造成显著的舌运动障碍,因残存的下颌骨偏位引起的 Mandibular mouth cancer efficacy is not enough. Because of its anatomical specificity, radical radiotherapy and chemotherapy are likely to cause mandibular necrosis, exposure, fistula formation, etc .; and surgical treatment, especially in the mouth bottom, mandibular hemisection after a large tissue defect and wound suture After the tongue can cause significant movement disorders due to residual mandibular deviation caused