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Some people still prefer the age-old home remedy of baking soda and a toothbrush to gently whiten teeth at home. Also, some foods such as celery, apples, pears and carrots trigger lots of saliva — which helps to scrub away stains on your teeth. Chewing sugarless gum also triggers saliva, which help eliminate teeth stains. A bonus from all that saliva: It neutralizes acid that causes tooth decay. With teeth, more saliva is better all around.
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