Gelato Prophy Paste – Coarse grit, Orange Sherbert. Non-Splatter 1.23% APF Prophy Paste. Keystone Gelato Prophy Paste – Coarse grit, Orange Sherbert. Non-Splatter 1.23% APF. “The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies.