Most whitening toothpaste bleach is diluted by saliva. Learn more about the effectiveness of whitening toothpastes from a dentist is this free dental series.
Expert: Joe Neely
Bio: Dr. Joe Neely practices dentistry with Barton Oaks Dental Group. With over 35 years of experience, Dr. Neely loves helping people get the smile they want.
Filmmaker: MAKE | MEDIA