NEXT Prophy Paste Coarse Watermelon Unit Dose Cups 200/Box. 23% fluoride ion and Xylitol 4.Coarse grit paste is for medium to heavy plaque and stains. Enhanced polishing and cleaning. Contains 1.23% fluoride ion and Xylitol. Coarse grit paste is for medium to heavy plaque and stains. The Preventech Next Prophy Paste is a flash-rinsing paste with 1.23% fluoride ion and Xylitol for enhanced, splatter-free stain removal and polishing.Available in different exciting flavors and four grits.