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