NOT KNOWN FACTS ABOUT ER:YAG& ER

On root cementum, when it comes to thermal impact for the duration of irradiation, preceding studies showed only a little bit charred visual appearance was made by Er:YAG laser without the need of h2o coolant [31], Whilst apparent carbonization was observed with Er,Cr:YSGG laser with out h2o coolant [32]. Accordingly, the Er:YAG laser makes a lot l