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Tooth Decay - Symptoms

Tooth decay usually does not cause symptoms until you have a cavity or infected tooth. When this occurs, symptoms include:

  • Toothache, which is the most common symptom. An infection or irritation of the tooth pulp usually causes the pain.
  • Bad breath or a foul taste in the mouth.
  • White, gray, brown, or black spots on the teeth.
  • Loose fillings.
  • A broken tooth or a tooth that is sensitive to pressure.

The pain may become worse when you:

  • Eat sweets.
  • Eat hot or cold foods or drink hot, cold, or acidic liquids, such as citrus drinks.
  • Chew food or gum.
  • Breathe in cold air.
  • Brush your teeth.

Severe tooth decay may cause a pus-filled sac (abscess) to form in the bone at the base of a tooth. Symptoms of abscess include:

  • Fever.
  • Swollen glands.
  • A swollen jaw.
  • Deep, throbbing pain.

For more information, see the topic Abscessed Tooth.

WebMD Medical Reference from Healthwise

Last Updated: July 30, 2007
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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