Morphological study on the Danger Zone of the mesiobuccal canal prepared by three nickel-titanium rotary systems using three-dimensional printed mandibular first molars
LIU Yuqing, DAI Jiayun, ZHOU Duo, WANG Xingyang, XU Fulu, WANG Juan
Stomatology . 2025, (6): 430 -435 .  DOI: 10.13591/j.cnki.kqyx.2025.06.006