Also make sure to wait at least thirty minutes before brushing your teeth after eating or drinking something acidic. [substeps] Fruits that are especially harsh on teeth include lemons and citrus.
[header] How to maintain white teeth [title] Avoid or reduce exposure to highly acidic foods. [step] Acidic foods can weaken the enamel, and make teeth more likely to stain. This is part of the reason that coffee, tea, wine, and soda can all stain your teeth.