Accuracy of three different electronic apex locators in determination of perforation with various conditions in vitro

LI Yue-heng, ZHOU Zhi, ZHENG Yu-qi, GAN Ning, TANG Yu-ying, LI Rui, CHEN Jiao

West China Journal of Stomatology . 2011, (03): 272 -275 . DOI: 10.3969/j.issn.1000-1182.2011.03.013