R. . S. Ameen and R. . . A. AlHashimi, “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, vol. 29, no. 3, pp. 17–25, Sep. 2017, doi: 10.12816/0041176.