While performing tooth-whitening procedures on his patients that utilize a special halogen light with peroxide, dentist Max Goodson, noticed something surprising: Patients' gums seemed to appear healthier looking. He realized this improvement lasted several months after a patient's tooth-whitening procedure, so he hypothesized it had to do with the bacteria that causes irritation around the gum tissueAfter running some experiments along with dentist Nikos Soukos, Goodson found the bacteria are... more