Fig. 1From: Comparison of Easydo Activator, ultrasonic and needle irrigation techniques on sealer penetration and smear layer removal in vitroRepresentative CLSM images of each group at both 5 mm and 1 mm from the apex. CLSM, confocal laser scanning microscopy; NI, needle irrigation; PUI, passive ultrasonic irrigation; EA, Easydo ActivatorBack to article page