Why can’t we just spend however long it takes to brush our teeth over and over again until they’re as clean and white as they were when we first got them? (Like dentist office billboard advertisement levels of white teeth)

Question

Or is restoring a former brilliance of your teeth impossible through normal dental hygiene practices without cosmetic dentistry?

In: Biology

Answer 1

You know that frying pan with the brown spots that don’t go away no matter how hard you scrub unless you literally scrape the top layer off or use harsh chemicals?

Teeth are like that only more porous, and you don’t want to scrape the top layer off or use harsh chemicals.