Cementoblastoma Radiology — NDEB AFK MCQ
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Correct answer: E — Dense radiopaque mass fused to the root of a tooth with a surrounding thin radiolucent halo and loss of the root outline
Cementoblastoma is a benign odontogenic neoplasm characterised by a dense radiopaque mass directly attached to (fused with) the root of a vital tooth. A thin radiolucent border (capsule) surrounds the mass. The root outline is resorbed and blends into the mass. It most commonly affects the mandibular first molar in patients under 25 years. The tooth is vital (positive response to vitality testing). Treatment is extraction of the tooth with the attached mass. Recurrence is rare after complete removal.
Reference: Neville – Oral and Maxillofacial Pathology, 4th ed., 2016