Picture of tooth abscess

Illustration copyright 2000 by Nucleus Communications, Inc. All rights reserved. http://www.nucleusinc.com

An abscessed tooth is a tooth that has a pocket of pus in the tissue next to it. This often occurs because the inside (pulp) of a tooth is infected and the bacteria spread to the tissue underneath the tooth. An abscess usually causes throbbing pain in the tooth and red, swollen gums.

ByHealthwise Staff
Primary Medical ReviewerKathleen Romito, MD - Family Medicine
Specialist Medical ReviewerSteven K. Patterson, BS, DDS, MPH - Dentistry
Last RevisedJuly 17, 2009

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