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

https://milowbea115.theburnward.com/the-truth-about-charcoal-tooth-paste-does-it-really-whiten

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