NOT KNOWN FACTS ABOUT ER:YAG& ER

On root cementum, regarding thermal affect for the duration of irradiation, preceding reports confirmed only slightly charred look was made by Er:YAG laser with out h2o coolant [31], Whilst clear carbonization was observed with Er,Cr:YSGG laser without the need of water coolant [32]. Accordingly, the Er:YAG laser makes considerably less thermogenes