1. HPLC ANALYSIS, ANTIMICROBIAL AND ANTIFUNGAL ACTIVITY OF AN EXPERIMENTAL PLANT BASED GEL, FOR ENDODONTIC USAGE. Authors: DAN VODNAR, FLORICA RANGA, CORINA VOINA, SORINA SAVA, MINDRA BADEA, LIVIU OANA, ANDRADA TONEA.2. EFFECT OF AN EXPERIMENTAL GREEN TEA EXTRACT BLEACHING GEL ON THE COLOR CHANGES OF A COMPOSITE RESIN . Authors: MADALINA VALEANU, ANDRADA VOINA TONEA, LAURA SILAGHI DUMITRESCU, AMALIA IONELA MOLDOVAN, ADA DELEAN, ADRIANA MURESAN, CORINA VOINA.