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To get rid of yellow teeth, start by mixing 2 teaspoons of baking soda with enough water to make a paste. Then dip a toothbrush in the paste and brush your teeth with it as usual. Repeat at least once a week for up to 3 weeks for best results. You can also try floating hydrogen peroxide in your mouth for 30 seconds several times a week because hydrogen peroxide is a mild bleach. For more tips from our co-author to dentist, such as how to avoid food that stains teeth, read on!
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