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A tooth abscess is an infection at the root of a tooth or between the gum and a tooth. The most common cause is severe tooth decay. Other causes of tooth abscess are trauma to the tooth, such as when it is broken or chipped, and gum disease.
These problems can cause openings in the tooth enamel, which then allows bacteria to infect the center of the tooth (the pulp). The infection may also spread from the root of the tooth to the bones supporting the tooth.
Common symptoms of an abscessed tooth include gnawing or throbbing pain or sharp or shooting pain caused by a toothache that is severe and continuous. Other symptoms may include:
If the root of the tooth dies as a result of infection, the toothache may stop. However, this doesn’t mean the infection has healed; the infection remains active and continues to spread and destroy tissue. Therefore, if you have any of the above symptoms, it is important to see a dentist even if the pain goes away.
Your dentist will probe your teeth with a dental instrument. If you have an abscessed tooth, you will feel pain when the tooth is tapped by the dentist’s probe. Your dentist will also ask you if your pain increases when you bite down or when you close your mouth tightly. In addition, your dentist may suspect an abscessed tooth because your gums may be swollen and red.
Your dentist may also take X-rays to look for erosion (wearing away) of the bone around the abscess.
The goals of treatment for an abscessed tooth are to eliminate the infection, preserve the tooth, and prevent complications.
To eliminate infection, the abscess may need to be drained. Drainage may be done through the tooth by a procedure known as a root canal. The tooth may also be extracted (pulled), allowing drainage through the socket. Finally, a third way to drain the abscess would be by incision (cutting) into the swollen gum tissue. Antibiotics are prescribed to help fight the infection.
To preserve the tooth, root canal surgery may be recommended to remove any diseased root tissue, and a crown may be placed over the tooth. Sometimes the affected tooth may need to be removed.
To relieve the pain and discomfort of an abscessed tooth, you can use warm salt water rinses and over-the-counter pain reducing medication like ibuprofen (Advil or Motrin).
Following good oral hygiene practices and having routine dental exams can reduce the risk of developing a tooth abscess. Also, if your teeth suffer trauma (for example, become loosened or chipped), seek dental attention right away.
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This information is provided by Cleveland Clinic Abu Dhabi, part of Mubadala Healthcare, and is not intended to replace the medical advice of your doctor or health care provider. Please consult your health care provider for advice about a specific medical condition.
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