internal whitening

Most people are familiar with teeth whitening, a quick and convenient method to lighten the color of teeth and improve their appearance. However, a more obscure whitening procedure (used only in particular circumstances) is called internal bleaching, or internal whitening. When is Internal Whitening Used? Internal whitening is just for a single tooth, typically one that has experienced trauma or needs a root canal. The tooth root dies, causing the discoloration to come from within the tooth. Because the problem is on the inside, [...]