Hamedi, Ali, Sorour Saeidi, and Zakie Kheradmand. 2025. “Non-Surgical Management of a C-Shaped Mandibular Second Molar With Apical Periodontitis and External Root Resorption: A Case Report”. Iranian Endodontic Journal 20 (1):e45. https://doi.org/10.22037/iej.v20i1.48177.