3. Realize That It Can’t Cure All Stains

Zoe Saldana

You need to know your teeth if you want them whiter. Some types of dental work and caps are made of products like porcelain that cannot change color. The last thing you want is to bleach all of your teeth white, except for the one you broke during a bike accident when you were 15. That would certainly be less attractive than slightly off-white teeth!