Pathology · single question
A well-defined radiolucency is found at the site of an extraction performed FIVE years earlier. The most likely diagnosis is:
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Correct answer: A. Residual cyst
- A. Correct. A residual cyst is a radicular cyst that persists after the offending tooth was removed.
- B. A granuloma is attached to a tooth's apex; the tooth is gone here.
- C. A dentigerous cyst surrounds an unerupted tooth crown, not an extraction site.
- D. An OKC is possible but far less likely than a residual cyst at a prior extraction site.