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

https://www.mediafire.com/file/bkq250x6aqlwhev/pdf-69142-56044.pdf/file

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