DR. AHMED JAWDAT RASHAD BDS; AL ZADIY, hussain sadiq hussain. 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, [S. l.], v. 5, n. 7, p. 431–435, 2025. DOI: 10.47191/ijpbms/v5-i7-04. Disponível em: https://ijhmr.ijhmr.ijhmr.com/index.php/ijpbms/article/view/751. Acesso em: 25 sep. 2026.