Some foods can help: crunchy apples and celery mildly polish surface areas; while not an alternative to whitening

https://devinjdan182.cavandoragh.org/foods-that-stain-your-teeth-and-how-to-fight-them

Some foods can assist: crispy apples and celery slightly polish surfaces; while not an alternative to whitening, they support a cleaner, brighter-looking smile.