Thomas AR, Reddy TV, Tan JY, Qing SE, Qing CS, Xuan LY, Pai AV.
Analysis of Shaping Abilities of Rotary File Systems in Oval Canals with Moderate Root Curvature: A Randomized Controlled Ex Vivo Study. 
J Contemp Dent Pract
2023;
24
(4):221-227.