Our dog had rotten, infected teeth when we adopted him, so I'm not sure about the tarter. They did help his breath some but it was still pretty awful. He had most of them pulled and has a Greenie a day now. The breath is not great but it is bearable. I can tell if he has missed a day!
Hi Chris. Our dental chews have the Veterinary Oral Health Council Seal of Acceptance. If for any reason you think your dog should not have our dental chews, please feel free to call us at 866-473-3643 and we'll be happy to help.