Effect of erosive pH cycling on different restorative materials and on enamel restored with these materials - Francischone, Leda Aparecida; Honório, Heitor Marques; Rios, Daniela; Magalhães, A. C.; Machado, Maria Aparecida de Andrade Moreira; Buzalaf, Marília Afonso Rabelo (Operative Dentistry, 2008)