Kh. A. Alzaidy, I. and M. S. Shukri, B. 2023. Effect of Using Race Evo, EdgeFile X7, and Protaper Gold Rotary File Systems on the Fracture Resistance of Obturated Root Canal (A comparative study). Mustansiria Dental Journal. 19, 2 (Dec. 2023), 270–279. DOI:https://doi.org/10.32828/mdj.v19i2.984.