ProDen PlaqueOff Dental Care Bones 482GProDen PlaqueOff Dental Care Bones 482G Dental Care Bones is the only chewing bone on the market that contains the 100% natural and clinically proven algae ingredient AN ProDen. Dental Care Bones has a double effect: AN ProDen works through the body where it softens existing tartar and prevents new plaque from forming, while the unique shape of the bone helps to scrape away plaque and tartar. The bones also contain omega 3 and 6 fatty acids and