Fig. 6From: Er:YAG laser removal of zirconia crowns on titanium abutment of dental implants: an in vitro studySEM microphotographs of zirconia sheet specimen after 5 min of laser irradiation: the bonding surface of 2 mm zirconia sheet for RXL group. From A–C, it can be seen that the cement irradiated by the laser has the circular hole like burning marks and rough surfaceBack to article page