Objective:To evaluate the coronal microleakage in endodontic access cavities restored with CIMAVIT(PIERRE ROLLAND),Coltosol(COLTENEWHALEDENT),Cavit G(3M ESPE),Intermediate Restorative Material (IRM, DENTSPLY) and zinc oxide engenol (ZOE, Beiling).

• 目的:评价CIMAVIT(碧兰)、Coltosol(康特)、CavitG(3M)、IRM(登士柏)和氧化锌丁香油酚粘固剂(ZOE,北京)等5种髓腔暂封材料的冠方微渗漏。