AN UNBIASED VIEW OF CR:YAG CRYSTAL

On root cementum, in terms of thermal affect for the duration of irradiation, preceding reports showed only marginally charred appearance was produced by Er:YAG laser with out drinking water coolant [31], While noticeable carbonization was noticed with Er,Cr:YSGG laser without having drinking water coolant [32]. Accordingly, the Er:YAG laser makes