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

https://www.mediafire.com/file/svd5mru3tuqca9a/pdf-46128-37631.pdf/file

Some foods can assist: crunchy apples and celery slightly polish surface areas; while not an alternative to whitening, they support a cleaner, brighter-looking smile.