C. Suneelkumar, C. Savarimalai Karumaran, S. Ramachandran, R. Indira, P. Shankar, and A. Kumar, “A Comparative Study on the Shaping Ability of K3, Profile and ProTaper Instruments in Simulated Curved Root Canals”, Iran Endod J, vol. 5, no. 3, pp. 107–112, Oct. 2010.