PMC4149335_01
(A) Right-sided mandibular abscess and temporal swelling. (B) Abscess of the mandible affecting the extraction area. The pus is leaking from the empty alveolus. The infection and swelling extend to the second molar.
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The oral examination revealed the presence of an abscess in the posterior mandible, in the area of the recent extraction (Figure 1B), with pus leaking from the empty alveolus.
Panoramic (A) and mandibular (B) CT showing a zone of bone rarefaction. There is a large osteo-necrotic lesion around the extraction site adjacent to the second molar, with persistent extraction socket and bone sequestra.. Abbreviation: CT, computed tomography.
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Radiologic exams (orthopantomography and CT [computed tomography] scan) (Figure 2A and B) showed a widespread zone of radiolucency, rarefaction of trabecular bone with a large osteo-necrotic lesion around the extraction site, which extended posteriorly to include the adjacent second molar, persistent extraction socket, and bone sequestra.
Temporal abscess in the right zone.
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Magnetic resonance imaging (Figure 3) showed a temporal abscess located lateral to the alveolar crista of the upper jaw and upwards deep into the temporal fascia.