1. THE EFFECT OF A NATURAL EXTRACT-BASED EXPERIMENTAL BLEACHING GEL UPON THE COLOUR AND SURFACE ROUGHNESS OF A COMPOSITE RESIN - AN IN VITRO STUDY. Authors: RADU SEPTIMIU CAMPIAN, DIANA DUDEA, DANIELA CORNEA, ALEXANDRA IULIA IRIMIE, CRISTINA STEFANA MIRON-BORZAN, MARIOARA MOLDOVAN, CRISTINA GASPARIK, DIANA CARLA MADA.2. EVALUATION OF BLEACHING ON A CAD/CAM HYBRID CERAMIC MATERIAL. Authors: DIANA DUDEA, LAURA SILAGHI-DUMITRESCU, CRISTIAN DRAGOS, CARINA CULIC, ADRIAN MIHAI VARVARA, CRISTINA GASPARIK, BOGDAN CULIC.3. RADIOPACITY ANALYSIS OF SOME CHAIRSIDE COMPUTER-AIDED DESIGN-COMPUTER-AIDED MANUFACTURING MILLING MATERIALS. Authors: DIANA DUDEA, MARIOARA MOLDOVAN, GABRIEL FURTOS, ELENA BIANCA VARVARA, COSMINA IOANA BONDOR, BOGDAN CULIC, CRISTINA GASPARIK, ADRIAN MIHAI VARVARA.