Bakr, Dr. Diyar Kh. “Comparison of Apically Extruded Debris of Different Nickel Titanium Instruments”. Mustansiria Dental Journal 14, no. 1 (December 31, 2018): 16–23. Accessed April 25, 2024. https://mdj.uomustansiriyah.edu.iq/index.php/mdj/article/view/748.