根尖孔大小对RootZX准确性影响的体外研究

程磊苏勤黄云霞

In vitro evaluation of cor r elation between the size of apical for amen and the accur acy of Root ZX

CHENG Lei, SU Qin, HUANG Yun - xia

华西口腔医学杂志 . 2008, (01): 56 -59 .