Bidar, M., Disfani, R., Gharagozloo, S., Akbari, M. and Rouhani, A. 2011. The effect of calcium hydroxide on the short and long-term sealing properties of MTA apical barrier. Iranian Endodontic Journal. 6, 1 (Apr. 2011), 6–10. DOI:https://doi.org/10.22037/iej.v6i1.2023.