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Tests and diagnosis
By Mayo Clinic staffIn addition to examining your tooth and the surrounding area, your dentist may conduct one or more of the following tests:
- Tapping on the affected tooth. A tooth that has an abscess at its root is generally sensitive to touch or pressure.
- X-ray. An X-ray of the aching tooth can help identify an abscess. X-rays or other imaging tests, such as a CT scan, may also be used to determine whether the infection has spread, causing abscesses in other areas.
- Lab tests. In some cases, knowing what bacteria are causing the infection may help target treatment, especially if first line antibiotics aren't successful.
References
- Robertson D, et al. The microbiology of the acute dental abscess. Journal of Medical Microbiology. 2009;58:155.
- Chow AW. Epidemiology, pathogenesis, and clinical manifestations of odontogenic infections. http://www.uptodate.com/home/index.html. Accessed May 21, 2010.
- Chow AW. Complications, diagnosis, and treatment of odontogenic infections. http://www.uptodate.com/home/index.html. Accessed May 21, 2010.
- Cleaning your teeth and gums. American Dental Association. http://www.ada.org/3072.aspx?currentTab=1. Accessed May 21, 2010.
- Nguyen DH, et al. Common dental infections in the primary care setting. American Family Physician. 2008;77:797.
- Endodontic treatment (root canal treatment). American Dental Association. http://www.ada.org/2890.aspx?currentTab=1#. Accessed May 23, 2010.
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