Radiology · single question

Which RADIOPAQUE lesion is directly ATTACHED to/associated with a tooth root?

  1. Cementoblastoma
  2. Cemento-osseous dysplasia
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Correct answer: A. Cementoblastoma

  • A. Correct. A cementoblastoma is a radiopaque mass fused to the root (often with a radiolucent rim) — a true neoplasm of cementum attached to the tooth.
  • B. Incorrect. Cemento-osseous dysplasia occurs around apices/edentulous areas but is a dysplastic process, not a mass fused to and arising from the root like a cementoblastoma.

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