ProDen PlaqueOff Dog Dental Care Bones Chicken & Pumpkin 482gDental Care Bones are the only chews on the market that contain the 100% natural and clinically proven seaweed A. N ProDen. Dental Care Bones help oral problems with double action A. N ProDen works through the animals body where it dissolves existing tartar and prevents new plaque from forming. The bones unique shape and abrasive action helps to remove plaque and tartar, helping freshen breath. They also contain omega 3 and 6 fatty acids and