They claim to instead rely on a solution containing a photocatalyst, a chemical that will speed up a reaction when hit with light, according to Jennifer Jablow, a dentist and the creator of the IntelliWhite. Your dentist should be able to make the most appropriate product recommendations to meet your needs. This system claims to make them up to five shades brighter in as little as one week. Most patients achieve their desired results within about three weeks, and there is little to no tooth sensitivity during or after treatment. Tooth whitening strips and gels. Premium teeth-whitening (...)