Helps prevent tartar & whitens teeth (by removing surface stains). Crest recommends Oral-B Toothbrushes. Fights tartar and whitens teeth ((by removing surface stains). With cleaning action that gently removes surface stains and helps prevent yellow tartar build-up. Once formed, tartar can only be removed by dental cleaning. Special tartar blocker provides effective tartar protection. www.crest.com. www.pg.com. Questions? 1-800-492-7378.