Chakmakchi, M., Rahiotis, C., P Kerezoudis, N. and Kakaboura, A. (2020) “In vitro Assessment of Coronal Discoloration from Endodontic Sealers”, Al-Rafidain Dental Journal, 20(2), pp. 177–182. doi: 10.33899/rden.2020.166457.