Denta stix fresh dog chews are scientifically proven to reduce tartar build up by up to 80 when fed daily the dental chews have a blend of green tea extract and eucalyptus oil which are proven to help freshen breath pedigre denta stix dental sticks are recommended by vets and developed with the help of vets and nutritionists at waltham centre for pet nutrition dog treats that are low in fat with no added sugar and free from artificial colours and flavours tasty pet chews available in single a