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

Your teeth aren’t a perfectly hard surface. They’re slightly porous. So the stains on your teeth will soak into them.