S Saad, Shahrazad, Asmaa B Al –Saffar, and Bara S Minwah. 2012. “Relation of the Mandibular Canal to the Root Apices of Different Types of Impacted Lower 3rd Molar”. Al-Rafidain Dental Journal 12 (1):109-14. https://doi.org/10.33899/rden.2012.42650.