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

https://andersonwmsf170.yousher.com/foods-that-spot-your-teeth-and-how-to-fight-them

Some foods can help: crunchy apples and celery mildly polish surface areas; while not a substitute for whitening, they support a cleaner, brighter-looking smile.