Method:After infecting organize eliminated completely, root canal therapy are carried out and the perforate are covered with antibiotic compound paste to close the pulp chamber floor.

• 方法:清除穿孔处炎性感染物质后,常规根管治疗,用复方抗生素糊剂覆盖髓底穿孔处,双层基底封闭髓室底。