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

https://www.mediafire.com/file/k6bdd3nwlekxnyi/pdf-9299-11319.pdf/file

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