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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.
| By | Healthwise Staff |
| Primary Medical Reviewer | Kathleen Romito, MD - Family Medicine |
| Specialist Medical Reviewer | Steven K. Patterson, BS, DDS, MPH - Dentistry |
| Last Revised | July 17, 2009 |
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