A Ismail, Sabah, Wiaam M O Al-Ashou, and Raghad A Al-Askary. 2011. “Evaluation of the Apical Seal in Root Canals Prepared With Rotary ProTaper Files and Obturated by Different Methods”. Al-Rafidain Dental Journal 11 (2):390-96. https://doi.org/10.33899/rden.2011.45468.