Eftekhar, Leila, Hengameh Ashraf, and Sanaa Jabbari. 2017. “Management of External Invasive Cervical Root Resorption in Mandibular Canine Using Biodentine As a Restorative Material: A Case Report”. Iranian Endodontic Journal 12 (3):386-89. https://doi.org/10.22037/iej.v12i3.16668.