Effect of different root canal file tapers on fracture strength of root canal wall

QIU Xiao-jian, XIAO Shan-she, GU Xue-lian, ZHU Lai-kuan, JIANG Qian

Shanghai Journal of Stomatology . 2020, (5): 471 -475 . DOI: 10.19439/j.sjos.2020.05.005