Some foods can help: crunchy apples and celery slightly polish surfaces; while not a substitute for whitening

https://blogfreely.net/dernesvhbz/how-to-whiten-your-teeth-before-a-significant-event-or-wedding-event

Some foods can assist: crunchy apples and celery slightly polish surfaces; while not a substitute for whitening, they support a cleaner, brighter-looking smile.