1. IN VITRO STUDY ON THE EFFECTIVENESS OF A GROUP OF EXPERIMENTAL HYDROGEN PEROXIDE AND CARBAMIDE PEROXIDE BLEACHING GELS UPON DENTAL ENAMEL. Authors: CAMELIA ALB, ADA IRIMIE, ALEXANDRA BOTOS, HORATIU COLOSI, LAURA SILAGHI DUMITRESCU, MARIOARA MOLDOVAN, DIANA DUDEA.2. THE ETHICS OF E-CIGARETTES FOR SMOKING CESSATION: A GLOBAL CHALLENGE. Authors: CRISTIAN I. MEGHEA, OANA BLAGA, MARINA DASCAL, TEODORA FRATILA, PETRU SANDU, HORATIU COLOSI.