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Periodontitis is the inflammation of tissues around a tooth, which involves both the soft tissue and the bone itself. Periodontal disease in skeletons is recognized as a result of infection of the alveolar bone and adjacent tissues. Periodontal disease causes recession of the alveolar bone with pockets expanding into the cancellous bone of the jaw.
In this example, an abscess, or collection of pus in a cavity formed by tissue disintegration, is present. Abscesses are usually found as cavities within alveolar bone near the tooth root. This example also shows antemortem and perimortem tooth loss. Antemortem tooth loss exhibits signs of healing around the alveolar process which perimortem or postmortem does not.
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