The history of teeth whitening dates back to the early 1900s, but teeth whitening wasn’t perfected until the 1980s when Radinal Goldstien and Feinman taught bleaching at dental schools. Discover the history of whitening teeth withtips from a licensed dental assistant in this free video on oral hygiene. Expert: Michelle McPhail Contact: www.MySolutionz.com Bio: Michelle McPhail has been a licensed dental assistant for seven years. Filmmaker: Christopher Rokosz