Methods: 10 cases with malignant tumors in buccal and gingival regions were resected, and immediate reconstruction with submental island flap.

• 方法:10例颊黏膜、牙龈部位恶性肿瘤,扩大切除后形成的组织缺损以颏下岛状瓣修复,观察组织瓣存活情况及其修复效果。