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肿瘤或外伤造成下唇全缺损是颌部常见的畸形。对这种缺损的修复,通常采用双侧上唇方形皮瓣或颊部扇形组织瓣整复,均需二期行口角开大术。若转移远处皮瓣修复下唇则需几次分期进行手术,常常需数月时间才能完成。多次手术既给患者带来生活上的不便和精神上的痛苦,也增加经济负担。临床使用的 Bernard 氏法主要适用于修复下唇半缺损,若用于修复下唇全缺损,则因张力过大,中线缝合处易感染裂开。术后
Tumor or trauma caused by lower lip full defect is a common deformity in the jaw. The repair of this defect, usually with bilateral upper lip square flap or cheek fan flap reconstruction, are required two open mouth surgery. If the transfer of distant flaps to repair the lower lip need several staging surgery, often take several months to complete. Multiple operations not only bring inconvenience and mental pain to patients, but also increase the financial burden. Clinical use of Bernard's method is mainly applied to repair the lower lip half defect, if used to repair the lower lip full defect, due to tension is too large, the midline suture easily infected split open. After surgery