Penukonda, R., Teja, K.V., Kacharaju, K.R., Xuan, S.Y., Mohan, D.A., Sheun, L.Y., Cernera, M. and Iaculli, F. 2023. Comparative evaluation of smear layer removal with Ultra-X device and XP-Endo Finisher file system: an ex-vivo study: Smear removal on using various activation devices. Giornale Italiano di Endodonzia. 37, 2 (Sep. 2023). DOI:https://doi.org/10.32067/GIE.2023.37.01.18.