36个活髓隐裂牙金属全冠修复两年疗效观察

Two-year clinical evaluation of 36 cases of cracked teeth restored with a direct full crown restoration

目的:对活髓隐裂牙全冠直接修复的两年疗效进行分析,以指导临床活髓隐裂牙的保存治疗。方法:根据隐裂牙的临床表现和检查,将36个活髓隐裂牙分为两组,Ⅰ组:18个,隐裂处染色、着色,有咬合痛;Ⅱ组:18个,隐裂处染色、着色,有咬合痛,同时对冷热刺激有一过性疼痛。对两组患牙进行全冠修复治疗,观察并分析临床疗效。结果:Ⅰ组18个患牙,2年的治疗成功率100%,Ⅱ组18个患牙,2年的治疗成功率72.2%,经统计学处理,两组疗效差异显著。结论:对隐裂牙应进行仔细检查,明确诊断及分类,保存活髓的直接金属全冠修复是有效的治疗方法之一。

Objective：To observe the management of cracked teeth through two-year clinical evaluation of cracked teeth with vital pulp restored with a direct full crown restoration.Method：On the basis of clinical manifestation and examination,36 cases of cracked teeth with vital pulp were divided equally into two groups.GroupⅠ,clinical manifestation included biting pain and obvious dyeing of the crack without other symptoms.Group Ⅱ,clinical manifestation included sensitivity to thermal or cold stimuli beside that of GroupⅠ.All cracked teeth received direct full crown restoration and therapeutic effect was evaluated.Result：The pulp survival rate for GroupⅠwas 100 % and that of Group Ⅱ was 72.2 %.The significant difference was found for the two groups.Conclusion：It was important to diagnose and classify cracked teeth with vital pulp correctly.According to clinical classification of cracked teeth,it was one of the most effective approachments to restore cracked teeth with direct full crown restoration.