Fig. 7From: Efficacy of Er:YAG laser irradiation for decontamination and its effect on biocompatibility of different titanium surfacesMC3T3-E1 cell proliferation curve on SLA and HA surfaces before and after Er:YAG laser decontamination. a SLA titanium surface. b HA titanium surface. (BC = blank control group, EC = experimental control group) (*p < 0.05 and **p < 0.01)Back to article page