Pedigree DentaStix. Pedigree DentaStix has been specially developed to help fight tartar build up and gum disease in dogs. DentaStix offers a unique X shape and special texture that helps to clean the teeth and reduce the build up of tartar which can lead to gum disease. DentaStix also contains active ingredients, sodium tripolyphosphate and zinc sulphate, which slow down the build up of tartar by bonding with the calcium in saliva and making plaque softer and easier to remove. DentaStix contains no added sugar and is a great tasty treat for your dog.