Amount of Apical Extrusions of Root Canal Preparation with Single ProTaper Sx in Primary Teeth: an in Vitro Study
SU Xuelong, LIU Fei, HE Shuyang, GUO Qinyu
Journal of Oral Science Research . 2021, (5): 436 -441 .  DOI: 10.13701/j.cnki.kqyxyj.2021.05.012