Oraie, Ehsan, Amir Reza Ghassemi, Gholamhosein Eliasifar, Masoumeh Sadeghi, and Arash Shahravan. 1. “Apical Sealing Ability of MTA in Liquid to Powder Ratios and Packing Methods”. Iranian Endodontic Journal 7 (1), 5-9. https://doi.org/10.22037/iej.v7i1.2723.