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

https://andersonwmsf170.yousher.com/hydrogen-peroxide-vs-carbamide-peroxide-understanding-the-distinction

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