5 Foods that help whiten your teeth. Posted on February 23, 2018February 23, 2018 by JRPATEL Wondering which foods to eat to help whiten your teeth? The dentists and staff at Dekamore Dental suggest eating the foods. Apples Pineapple Broccoli Cheese Raisins Try it and let us know. Share This! Share on Facebook Share Share on Google Plus Share Posted in Dekamore Dental.