The Sapphire light for teeth whitening is safe, quick very effective and can only be done through a licensed dental office. It can work for just anyone and it can whiten teeth 10 shades in one easy visit for 60 minutes. This quick procedure your dentist follows does not vary greatly from general steps for the typical professional teeth whitening process, the gel is applied first on your teeth and the sapphire light activates the gel and propels the stain removal system.