Dr. Ahmed Jawdat Rashad BDS, & al zadiy, hussain sadiq hussain. (2025). Evaluation of the Quality of Root Canal Obturation Performed by Periodic Residents and Its Impact on Postoperative Pain using Peri-Apical Radiographs: A Retrospective Cross-Sectional Study. International Journal of Pharmaceutical and Bio Medical Science, 5(7), 431–435. https://doi.org/10.47191/ijpbms/v5-i7-04