Misc: Helps prevent tartar & whitening teeth. www.Crest.com. Crest recommends Oral-B toothbrushes. Fights tartar and whitens teeth. Special tartar blocker provides effective tartar protection. with cleaning action that gently removes surface stains and helps prevent yellow tartar build-up. Once formed, tartar can only be removed by a dental cleaning. For healthy teeth, brush twice a day, floss daily and visit your dentist regularly.