有机溶剂对牙本质表面残留根管封闭剂的清除效果
臧海玲1, 王月2, 梁宇红1,2,

Cleaning efficacy of different solvents on sealer-contaminated dentin surface
ZANG Hai-ling1, WANG Yue2, LIANG Yu-hong1,2,
试样断裂类型