They don't: Coffee has the ability to stain your teeth not whiten your teeth. Soda, which is very acidic, can lead to microporosities in your enamel which can actually pick up stain. You should not brush your teeth for 30 minutes after drinking anything aicidic.
Answered 12/9/2016
5.8k views
No: No, soda and coffee would have the opposite effect. They stain the teeth. The best tooth whitening product is dentist prescribed whitening gel and custom made teeth whitening trays.
Answered 3/22/2013
5.6k views
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