Novak, Marko, and Iztok Štamfelj. “Case Report: Endodontic Treatment of a Permanent Maxillary First Molar With Three Roots and Six Root Canals : Opis Primera: Endodontsko Zdravljenje Prvega Zgornjega Stalnega kočnika S Tremi Koreninami in šestimi Koreninskimi Kanali”. Acta Medico-Biotechnica 15, no. 2 (January 20, 2023): 49–53. Accessed November 9, 2025. https://old.journals.um.si/index.php/amb/article/view/2564.