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种植体周围炎是导致种植体修复失败的主要原因。目前预防的方式有个人维护（包括保持口腔卫生、戒烟、减少一些药物的使用）和临床检查（包括适应证的选择、种植材料的选择、种植后维护）。治疗方案有局部清创、激光治疗、电化学治疗、联合应用抗生素等非手术治疗以及手术治疗。非手术治疗操作简便，创伤小，不良反应小，手术治疗能修复骨组织和牙龈组织等软硬组织的缺损。把握好各个方案的适应证是治疗的关键。“,”Periimplantitis is the main cause of implant failure .The prevention methods are:personal maintenance (including maintaining oral health,smoking cessation,reducing the use of some drugs) and clinical examination(including the choice of indication,planting material selection,postimplanting mainte-nance).Treatment plan:local debridement,laser treatment,electrochemical treatment,combined application of antibiotics and other nonoperation treatment,and operation treatment.Non-surgical treatment is featured with easy operation,small trauma,light side effects;surgery treatment can repair bone and gum tissue defect. A good grasp of the indications is the key to the treatment of each scheme .