what foods help whiten teeth
3. Fruit. A 2010 study reported that eating fruit daily is the best way to whiten teeth. Researchers tried various methods for three months, and determined that strawberries, orange peels, and lemon juice were some of the most effective whiteners you could use. All have enzymes and acids that help break down stains.
Besides, avoid eating dark-colored food for a few weeks after your teeth whitening treatment. Dark soups, stews, dark chocolate and other dark colored foods can also contribute to staining your teeth and leaving behind an ugly residue.