Effect of Endodontic Instrument Tip Fracture on Apical Sealing of Obturated Root Canal: In Vitro and Retrospective Clinical and Radiological Study. مجلة الجامعة [Internet]. 2019 Jul. 24 [cited 2026 Jun. 6];1(7). Available from: https://journal.hama-univ.edu.sy/huj/article/view/117