Oraie, Ehsan, Amir Reza Ghassemi, Gholamhosein Eliasifar, Masoumeh Sadeghi, and Arash Shahravan. “Apical Sealing Ability of MTA in Liquid to Powder Ratios and Packing Methods”. Iranian Endodontic Journal 7, no. 1 (1): 5-9. Accessed January 22, 2021. https://journals.sbmu.ac.ir/iej/article/view/2723.