| Periapical abscess |
|---|
| Classification and external resources |
Tooth #4, the maxillary right second premolar (upper right 2nd bicuspid), after extraction. The two single-headed arrows point to the CEJ, which is the line separating the crown (in this case, heavily decayed) and the roots. The double headed arrow (bottom right) shows the extent of the abscess that surrounds the apex of the palatal root. |
| ICD-10 |
K04.6, K04.7 |
|---|
| ICD-9 |
522.5, 522.7 |
|---|
| MeSH |
D010482 |
|---|
A periapical abscess is the result of a chronic, localized infection located at the tip, or apex, of the root of a tooth.[1]
To achieve resolution, endodontic therapy must be performed to debride the root canal or canals and remove pathogens.
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