Microleakage in class II composite resin restorations: total bonding and open sandwich technique - Loguercio, Alessandro D.; Reis, Alessandra; Mazzocco, Kelly Cristina; Dias, André Lozano; Busato, Adair Luiz Stefanello; Singer, Júlio da Motta; Rosa, Patricia (The Journal of Adhesive Dentistry, 2002)