Sahebi, Safoora, Vahid Dolatkhah, and Nooshin Sadat Shojaee. 2011. “Management of a Crown-Root Fracture in Central Incisors With 180° Rotation: A Case Report”. Iranian Endodontic Journal 6 (4):183-87. https://doi.org/10.22037/iej.v6i4.2467.