Ameen RS, AlHashimi RA. In Vitro The Effect of Canals Instrumented With Three Rotary Ni-Ti Systems on The Dislocation Resistance of Guttafusion® Versus Single Cone Obturation Technique. J Bagh Coll Dent [Internet]. 2017 Sep. 15 [cited 2024 May 6];29(3):17-25. Available from: https://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/2209