Riazifar, Negin, Kamal Amini, Maryam Zangouyi Boushehri, Mahnaz Sheikhi, and Kasra Karamifar. 2018. “Biometric Analysis of C-Shaped Root Canals in Mandibular Second Molars Using Cone-Beam Computed Tomography”. Iranian Endodontic Journal 13 (4):486-91. https://doi.org/10.22037/iej.v13i4.20925.