Objective To analyze retrospectively the effect of submental island flap repairing tissue defects after oral cancer ablation. Methods Totally 13 cases undergoing oral cancer ablation were treated by submental island flap simultaneously to repair the tissue defects. Results All flaps survived,achieving normal appearance and function basically.Conclusion Submental island flap is feasible for repairing small or middle sized tissue defects after oral cancer ablation,with simple operation,high success rate,and less damage to patients.%目的：回顾颏下岛状皮瓣修复口腔癌术后缺损的效果。方法13例口腔癌根治术后组织缺损，采用颏下岛状皮瓣进行同期修复。结果颏下岛状皮瓣全部成活，患者的形态、功能基本正常。结论颏下岛状皮瓣操作简单，成活率高，损伤小，适合中小型口腔癌缺损的修复。
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