Jaber SA, Abdul-Ameer ZM. A Comparative Evaluation of the Centering Ability and Canal Transportation of Simulated S-Shaped Canals Instrumented with Different Nickel –Titanium Rotary Systems. J Bagh Coll Dent [Internet]. 2016 Mar. 15 [cited 2024 May 2];28(1):48-56. Available from: https://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/1083