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

https://telegra.ph/Whitening-for-Sensitive-Teeth-How-We-Lessen-Discomfort-04-17

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