面横裂为口角的过度裂开,程度不同,轻者表现为皮肤的沟状凹陷,重者裂入口腔,是一种少见的面颌部先天畸形,一般称巨口症,若巨口症同时伴有同侧咬肌、颌骨或耳部发育不良,则系第一、二腮弓畸形所致。面横裂系胚胎发育时期上颌突与下颌突部分或全部未融合所引起,可有单侧裂或双侧裂之分,以男性多见,多为单侧,一般裂隙多终止于颊部,严重则裂入口腔。根据面裂裂隙的不同程度,又有轻、中、重度之分,可分为三度。而第一、二腮弓综合征所呈现的巨口,由于口唇变形,影响语言和进食功能,常有垂液外溢
结果7例术后大口畸形获得良好口角静态及动态美学效果。
Results 7 cases were treated with satisfactory static and dynamic results.
方法通过重建、恢复患侧口角蜗轴、适当内移口角定点、设计皮肤锯齿状切口等方法修复大口畸形。
Methods The correction method included restoration of the orbicularis sphincter at the affected side, interior movement of the surgical oral commisure and Z-plasty skin closure.
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