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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.
Because periapical disease is almost inevitably preceded by pulp disease, [1] proper chemomechanical debridement of the infected root canals, together with incision and drainage of associated periradicular swellings, will usually allow for rapid improvement in patient signs and symptoms. [15]
Periodontal abscesses may be difficult to distinguish from periapical abscesses. Since the management of a periodontal abscess is different from a periapical abscess, this differentiation is important to make (see Dental abscess#Diagnostic approach) For example, root canal therapy is unnecessary and has no impact on pain in a periodontal abscess.
Incision and drainage (I&D), also known as clinical lancing, are minor surgical procedures to release pus or pressure built up under the skin, such as from an abscess, boil, or infected paranasal sinus.
If the infection involves multiple primary spaces or any of the secondary spaces previously mentioned, then incision and drainage with culture-guided antibiotics may be indicated. Since most mouth infections are polymicrobial, penicillin is an appropriate initial choice of antibiotic because of its activity against Streptococcus and gram ...
Drainage can also be performed via the tooth socket, once the causative tooth is extracted. If neither of those measures succeeds, or they are impossible, incision and drainage may be required, in which a small incision is made in the soft tissues directly over the abscess at the most dependent point. A surgical instrument such as a pair of ...
A phoenix abscess is an acute exacerbation of a chronic periapical lesion. It is a dental abscess that can occur immediately following root canal treatment. Another cause is due to untreated necrotic pulp (chronic apical periodontitis). [1] It is also the result of inadequate debridement during the endodontic procedure.
The incision and drainage process is completed with the debridement of necrotic tissue and thorough irrigation. [25] It is necessary to mark drains in order to identify their location. They should be sutured with loops as well so it will be possible to advance them without re-anaesthetizing the patient while drains are re-sutured to the skin. [25]