Method: 62 teeth with perforation of pulp floor were randomly divided into two groups.Coral paste composite was applied in experimental group.Glass ionomer cements was used in control group.

• 方法:髓室底穿孔患牙62例,实验组采用复方珊瑚糊剂作髓室底穿孔修补,对照组采用玻璃离子水门汀作髓室底穿孔修补。