1. REMINERALIZATION OF TOOTH ENAMEL WITH HYDROXYAPATITE NANOPARTICLES: AN IN VITRO STUDY. Authors: DIANA ALEXANDRA FLOREA, AURORA MOCANU, LUCIAN CRISTIAN POP, GHEORGHE TOMOAIA, CRISTINA-TEODORA DOBROTA, CSABA VARHELYI JR., MARIA TOMOAIA-COTISEL.