Methods Peri-implantitis was treated using four methods (1)essential treatment, (2)gingivectomy, (3)flap operation, (4)guided bone regeneration(GBR).

• 方法诊断为种植根周围炎者37例进行以下治疗：(1)常规治疗，(2)眼切术，(3)翻瓣术，(4)引导骨组织再生术。