Radiographic study on relation of the periapical status and frequency of endodontic treatment of teeth with and without apical periodontitis in an Iraqi population . MDJ [Internet]. 2019 Jan. 10 [cited 2025 Apr. 21];14(1):126-3. Available from: https://mdj.uomustansiriyah.edu.iq/index.php/mdj/article/view/781