对来我院牙体牙髓科就诊的患者，经检查、诊断符合预先规定的适应征并拟做牙髓塑化治疗的１２０颗患牙，采用ＧＲ进行了塑化治疗。两年随访复查了８３例，应答率为７０％，其中治愈率占９１．６％，失败率占２．４％，还有６．０％为疗效不确定的病例，尚需继续观察。ＷＨＯ规定，根管治疗的远期疗效判定应以两年为准。本临床研究表明，ＧＲ作为牙髓塑化剂可以取得较好的疗效。 To our hospital dental endodontics treatment of patients, after examination, the diagnosis of pre-determined indications and intended to do pulp plasticization treatment of 120 teeth, the use of plasticized GR treatment. Two years follow-up review of 83 cases, the response rate was 70%, of which 91.6% cure rate, failure rate of 2.4%, there are 6.0% for the efficacy of uncertain cases, the need to continue to observe. WHO stipulates that the long-term efficacy of root canal therapy should be judged by two years. This clinical study shows that, GR as dental pulp plasticizer can achieve better efficacy.