Çalışkan, M.K., Asgary, S., Tekin, U. and Güneri, P. 2016. Amputation of an Extra-root with an Endodontic Lesion in an Invaginated Vital Maxillary Lateral Incisor: A Rare Case with Seven-year Follow-up. Iranian Endodontic Journal. 11, 2 (Mar. 2016), 138–141. DOI:https://doi.org/10.22037/iej.v11i2.11797.