Fig. 4From: In vitro efficacy of Er:YAG laser-activated irrigation versus passive ultrasonic irrigation and sonic-powered irrigation for treating multispecies biofilms in artificial grooves and dentinal tubules: an SEM and CLSM studyRepresentative SEM images showing areas inside and outside the groove after irrigation with CNI, PUI, EDDY, PIPS, SWEEPS (2,000 × magnification)Back to article page