THE 2-MINUTE RULE FOR ER:YAG& ER

On root cementum, regarding thermal affect through irradiation, preceding scientific studies confirmed only slightly charred physical appearance was produced by Er:YAG laser devoid of h2o coolant [31], While clear carbonization was observed with Er,Cr:YSGG laser with out h2o coolant [32]. Appropriately, the Er:YAG laser provides significantly less