Saati, K., Sheikhi, S., Esnaashari, E. and Valizadeh, S. (2019) “The Effects of Three Bleaching Agents on Tooth Discoloration Caused by Mineral Trioxide Aggregate”, Iranian Endodontic Journal, 14(4), pp. 253–258. doi: 10.22037/iej.v14i4.23071.