Tooth decay is damage to the enamel of your teeth. It leads to cavities that can affect every layer of the tooth. Tooth decay occurs when acids produced by bacteria in the mouth eat away at a tooth. Any part of a tooth can decay, from the roots below the gum line to the chewing surface.
Last Revised: June 14, 2011
Author: Healthwise Staff
Medical Review: Kathleen Romito, MD - Family Medicine & Steven K. Patterson, BS, DDS, MPH - Dentistry
To learn more visit Healthwise.org
© 1995-2012 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.