Acid resistance of dentin after erbium:yttrium-aluminum-garnet laser irradiation. Lasers Med Sci. 2009 Jul;24(4):507-13 Authors: He Z, Otsuki M, Sadr A, Tagami J Abstract The purpose of this study was to evaluate the acid resistance of erbium:yttrium-aluminum-garnet (Er:YAG) lased sub-surface dentin using a scanning electron microscope (SEM). Dentin disks were exposed to a single pulse of …