目的总结重复扩张术修复大面积颊部皮肤缺损的应用效果，探索较佳的治疗方法。
Objective To summarize the treatment of large cheek skin defect by serial tissue expansion, and to explore a better scheme for treatment.
目的总结重复扩张术修复大面积颊部皮肤缺损的应用效果，探索较佳的治疗方法。
Objective To summarize the treatment of large cheek skin defect by serial tissue expansion, and to explore a better scheme for treatment.
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