My teeth keep getting more yellow even though I brush twice a day. Why won’t they stay white?

to tooth discoloration. Sauces like soy sauce, balsamic vinegar, and tomato-based sauces are particularly staining due to their intense pigmentation. Similarly, brightly colored fruits like berries can leave residues that stain teeth.
Acidic foods, including citrus fruits and tomatoes, can also erode enamel, making teeth more susceptible to staining.continue reading …