Ideal for removing superficial white and brown decalcification stains due to enamel mottling from fluorosis, Opalustre 6.6% hydrochloric acid slurry contains silicon carbide microparticles. This combination provides chemical stain removal along with gentle mechanical abrasion. Opalustre, along with OpalCups, can be used to quickly remove unsightly enamel decalcification defects that are less than 0.2mm in depth.