Naseri, M., Kangarlou, A., Khavid, A. and Goodini, M. 2013. Evaluation of the Quality of Four Root Canal Obturation Techniques Using Micro-Computed Tomography. Iranian Endodontic Journal. 8, 3 (Jul. 2013), 89–93. DOI:https://doi.org/10.22037/iej.v8i3.3642.