Abstract
The aim of this study is to evaluate, in vitro, the effect of an varnish containing iron on the dissolution of bovine dentine by carbonated beverage. Eighty specimens will be randomly allocated to four groups (n = 20 per group), according to the following treatments: C (control, not treated); F (varnish NaF a 2.71%); Fe (iron varnish, FeSO4 a 10 mmol/L) e P (placebo varnish). The varnishe…