Some foods can assist: crunchy apples and celery mildly polish surface areas; while not a replacement for whitening

https://www.mediafire.com/file/trkbkyf6w24adjv/pdf-39384-29321.pdf/file

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