Health Tip: What's Behind Your Toothache

(HealthDay News) - A toothache can be caused by different factors, including an infection or nerve injury. Once a toothache develops, it''s important to see your dentist.

The University of Michigan Health System lists these potential reasons for a toothache:

• An infection in the tooth or gum.
• A cracked or fractured tooth.
• A problem with or damage to a dental filling.
• Grinding your teeth.
• An injury to the tooth.
• Receding gums.
• A cavity.
• A loose dental crown.

-- Diana Kohnle

Last Updated: Oct. 23, 2007

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