Periodontal Abscess

**Definition:** Localized circumscribed purulent area of inflammation in the periodontal tissue. It is a derivative of marginal periodontitis and commonly associated with suprabony and infrabony pockets and interradicular involvements, in contrast to periapical abscess which is attributable to pulp necrosis.

**Tree numbers:** - C01.830.025.665 - C07.465.714.533.650

**Synonyms:** - Abscess, Periodontal