To make a natural tooth whitener, a person crushes strawberries into a pulp, applies the pulp on her teeth, waits for five minutes, and then rinses it off, according to HowStuffWorks. Other natural tooth whiteners include a lemon juice and salt or lemon juice and baking soda paste, cheese, and crunchy vegetables or fruits such as carrots and apples.
Natural tooth whiteners are an inexpensive way to whiten teeth without the use of harsh chemicals, explains HowStuffWorks. While the results of natural tooth whiteners do not compare to those from professional kits, the natural whiteners do not have the side effects that bleach-based whitening products have, such as tooth sensitivity or gum irritation. In addition to their whitening effect, natural tooth whiteners may have other benefits for the user, such as removing surface stains on teeth, getting rid of the plaque buildup, strengthening the enamel and preventing cavities.
Tips for cutting down the staining on teeth include drinking water after eating or drinking dark-colored foods, and brushing and flossing teeth regularly, advises HowStuffWorks. Additionally, a person should be careful about foods and drinks that easily stain teeth, such as tomato sauce, wine, coffee and sports drinks, and lifestyle habits such as cigarette smoking.