Versele Laga Oropharma Plaque Free Dental Kit. Toothpaste toothbrush against dental plaque tartar. Oropharma Plaque Free Dental paste + toothbrush. The Plaque Free toothpaste was developed especially for dogs, is tasty and does not contain any harmful substances for dogs. Calcium carbonate cleanses the teeth and removes dental plaque. Natural enzymes reduce the build-up of plaque and tartar Composition Calcium carbonate, aqua, sorbitol, glycerin, carrageenan, amylase, amyloglucosidase, chlorhexidine digluconate, potassium sorbate, aroma (mentha spicata crispa).