Here’s a great article on whitening that I found recently on the Dental Tribune. Be aware, there are some big words (have a dictionary handy!), but there is some good detailed information with pictures of the tooth whitening process.

http://www.dental-tribune.com/articles/content/scope/specialities/section/cosmetic_dentistry/id/369

Dr. Boyajian, West Los Angeles

www.dentalwellnessarts.com