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Blog » What causes a toothache?

What causes a toothache?

05/11/2011 by Marc Lazare, D.D.S., M.A.G.D.

Question: What causes a toothache?

Answer: A toothache occurs when the nerve within the tooth gets damaged or inflamed. This is usually caused by bacteria from the tooth decay communicating with the nerve of the tooth. These cavities are usually brought about by a combination of poor oral hygiene coupled with eating a lot of sticky, sugary and starchy foods. This bacteria feeds on the sugars and starch left over from poor brushing and flossing. As a result acids are produced that will slowly eat away at the good tooth structure until the nerve becomes damaged, causing the toothache. Another way the nerve can get damage is from dental trauma (i.e. sports injury, rough play or fights, severe teeth grinding, or extensive dental work on hypersensitive teeth).

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MARC LAZARE, D.D.S., M.A.G.D.

Dr. Lazare has been a member of the clinical faculty at the NYU College of Dentistry and has been on the teaching staff at North Shore University Hospital since 1998.
Dr. Lazare started the Teeth Whitening Division at North Shore University Hospital utilizing the latest technologies.

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