下颌骨齿槽骨切除术是治疗口底前部小型癌肿常用的手术。齿槽突切除后闭合软组织的常用方法是将舌拉向前方缝合到下唇粘膜上,但术后上下唇不能自然闭合,舌常不自觉地伸到口外,不但造成流涎,影响咀嚼、语言和吞咽,而且不能配戴义齿,因而必须行第二次手术。为解决这个问题,学者们曾设计了许多外科方法,如。皮肤游离移植;舌、颊、额 Mandibular alveolar osteotomy is commonly used for the treatment of small cancers in the front of the mouth. The common method of closing the soft tissue after alveolar ablation is to pull the tongue forward to the lower lip mucosa. However, the upper and lower lips can not close naturally after the operation, and the tongue often extends beyond the mouth unconsciously, causing not only salivation but also chewing, language and Swallowing, and can not wear dentures, which must be the second surgery. To solve this problem, scholars have designed many surgical methods, such as. Skin free transplantation; tongue, cheek, forehead