Hina Tariq, Rizwan Qureshi. ASSESSMENT OF PERIAPICAL PERIODONTITIS IN ROOT CANAL TREATMENT FAILURE PATIENTS RELATED TO THE LENGTH OF ROOT CANAL FILLING. PODJ [Internet]. 2023Mar.30 [cited 2025Jun.28];43(1):10-4. Available from: https://www.podj.com.pk/index.php/podj/article/view/720