冠根纵裂临床上较为常见，特别是经过牙髓治疗后的牙齿更易发生，对于完全性冠根纵裂的牙齿，临床上多采用技除的治疗原则，如何有效地保存治疗报道不多。本院于1993年起对32个牙髓治疗后完全性冠根纵裂的尼牙应用金属全冠治疗，收到了较满意的疗效。现报告如下：1治疗方法1.l? Coronal root fractures are more common in clinical practice, especially after dental pulp treatment of teeth more likely to occur, for the complete crown root fracture of the teeth, the clinical use of more than the principle of treatment, how to effectively save the treatment reported. The hospital from 1993 on 32 complete pulp root canal treatment of the root canal after the use of metal crown treatment, received more satisfactory results. Are reported as follows: 1 treatment 1.l?