The influence of residual salivary fluoride from dentifrice on enamel erosion: an in situ study - Magalhães, Ana Carolina; Rios, Daniela; Martinhon, Cleide Cristina Rodrigues; Delbem, Alberto Carlos Botazzo; Buzalaf, Marília Afonso Rabelo; Machado, Maria Aparecida de Andrade Moreira (Brazilian Oral Research, 2008)