Abstract
The objectives of this study will be to evaluate in vitro the addition of sodium trimetaphosphate (TMP) at a concentration of 0.25% associated with 0.05% sodium fluoride (NaF) and 35% hydrogen peroxide (PH) color change; trans-amelodentinatory penetration; surface and longitudinal microhardness; trans-amelodendinyl cytotoxicity and intrapulpal temperature. The treatments will be: 1) 35% h…