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A Journal on Dentistry and Maxillofacial Surgery
Minerva Stomatologica 2006 November-December;55(11-12):647-54
language: English, Italian
Buccal-masseteric mycotic abscess as a consequence of dental procedures
Maglione M., Angerame D., Costantinides F., Visintini E.
Dental Clinic, Department of Biomedicine University of Trieste, Trieste, Italy
Trismus may represent an external sign of masticatory or lateral pharyngeal abscess that in rare cases is the consequence of pathogen action by micro-organisms introduced in deep tissues after inferior alveolar block. The case presented shows a buccal-masseteric mycotic abscess following restorative procedure involving inferior alveolar anesthesia on the same side. A 49-year-old woman was referred to the Dental Clinic (University of Trieste) complaining of a progressive inability to open her mouth since one week associated to a hemifacial edema in the right parotid region. The symptoms initially started one week before. Infection developed after restorative procedures performed 10 days before on the same side. Based on clinical signs and cultural exam findings, a buccal-masseteric mycotic abscess was found and magnetic resonance (MR) was performed to assess its localization and extension. Initial pharmacological therapy with piperacillin/tazobactam administered intravenously, was replaced by appropriate antimycotic therapy on the basis of sensitivity test to antibiotics. Infection resolution was obtained but complete absence of facial asymmetry occurred after 5 months only. Introduction of micro-organisms during anesthetic alveolar block is a documented source of infection and may occur after dental procedure involving inferior alveolar anesthesia. Complete medical history, cultural exam with sensitivity test to antibiotics and RM or computed tomography (CT) images, are necessary to perform an adequate treatment plan and to administer a correct therapy. Presence of trismus, accompanied by pain or facial edema after dental procedure or during dental or perioral infections has to be carefully considered by clinician to diagnose as soon as possible a deep spaces infection and to avoid serious or life-threatening complications.