Methods: 150 primary teeth canals filled with coral paste, and 130 canals in the control group were filled with ZOE iodoform paste.

• 方法:采用珊瑚糊剂充填150颗乳牙,对照组用氧化锌碘仿糊剂充填130颗乳牙,观察1年后的疗效。