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It is a type of dental abscess. A periodontal abscess occurs alongside a tooth, and is different from the more common [2] periapical abscess, which represents the spread of infection from a dead tooth (i.e. which has undergone pulpal necrosis). To reflect this, sometimes the term "lateral (periodontal) abscess" is used.
A dental abscess is a localized collection of pus associated with a tooth. The most common type of dental abscess is a periapical abscess, and the second most common is a periodontal abscess. In a periapical abscess, usually the origin is a bacterial infection that has accumulated in the soft, often dead, pulp of the tooth.
An abscess is a localized collection of pus which forms during an acute infection. The important difference between a periapical abscess and abscesses of the periodontium are that the latter do not arise from pulp necrosis. [12] Abscesses of the periodontium are categorized as gingival abscess, periodontal abscess and pericoronal abscess.
Similarly, a periodontal abscess may very well appear to be pulpal in origin, when in fact it is not. Notwithstanding the tissue of origin, though, when it is determined that there is a pulpal involvement to the periodontal lesion, the endodontic infection should be controlled prior to beginning definitive management of the periodontal lesion ...
In addition to periapical abscesses, periapical periodontitis can give rise to various related lesions, including periapical granulomas and cysts. [11] A periapical granuloma (also referred to as an 'apical granuloma' or 'radicular granuloma') is a mass of chronically inflamed granulation tissue that forms at the apex of the root of a nonvital ...
These abscesses are formed from a blockage in a periodontal pocket and have a vital pulp associated with the tooth. [5] Usually treatment involves the drainage and irrigation of the abscess with antiseptic mouthwash (0.2% Chlorhexidine) and antibiotic therapy is rarely required. [8]