Boschi, Giulia, Riccardo Tonini, and Stefano Alessandro Salgarello. “Management of Seven External Cervical Resorptions”. Giornale Italiano di Endodonzia 34, no. 2 (October 26, 2020). Accessed March 3, 2021. http://www.giornaleitalianoendodonzia.it/index.php/gie/article/view/160.