Ark Naturals, 18 oz. Brushless Toothpaste Large Dental Dog Chews. 4-in-1 dental chew that not only freshens breath, but also has a toothpaste center and a harder outside layer to abrasively clean teeth and mechanically help reduce plaque and tartar build up. The unique toothpaste center contains 4 active ingredients alfalfa, cinnamon, vanilla and clove that naturally freshen breath. They are packed with wholesome, human grade ingredients that are low calorie and easy to digest