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下唇兼具功能和美容双重作用,当完全缺损时,不仅毁容,且同时由于口不能闭合也严重影响进食、语言等上唇功能。因此唇缺损的修复不仅要重建唇的功能,也要尽可能恢复良好的外型。但Ⅰ期修复全下唇缺损,在取材和修复方法上均较困难,常用双颊部组织瓣推进法,双侧带神经血管的扇形皮瓣,颈部筋膜瓣加上唇粘膜瓣等方法修复。我们自1991年9月至1993年1月采用设计颊部全厚梯形四边矩形皮瓣转移法1期修复4例全下唇缺损,效果满意。皮瓣设计和手术操作一、皮瓣取自颊部,以上唇红唇缘近口角处为皮瓣蒂部,按图1设计皮瓣。于口角处定 D 点并向下做一垂
Lower lip both dual function and beauty role, when the complete defect, not only disfigurement, and at the same time because the mouth can not be closed also seriously affect the eating, language and other upper lip function. Therefore, the repair of lip defects not only to rebuild the lip function, but also to restore a good appearance as much as possible. However, the repair of the entire lower lip in stage Ⅰ is difficult to draw and repair, and it is usually repaired by cheek buccal tissue flap propulsion, double-sided neurovascular fan flap, cervical fascia flap and lip mucosa flap . We from September 1991 to January 1993 by the design of cheek full-thickness trapezoidal quadrilateral rectangular flap transfer method to repair 4 cases of full lower lip defect, with satisfactory results. Flap design and surgical operation First, the flap taken from the cheek, the lips lip lip near the pedicle flaps, according to Figure 1 flap design. D at the corner of the mouth and make a dip down