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Dentistry · Dental materials and radiology: odontoma
Sample itemA 12-year-old has a retained primary canine and a radiograph shows a mass of tooth-like structures (denticles) in the anterior maxilla. What is the lesion?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Compound odontoma
Compound odontomas are made of several tooth-like denticles and occur typically in the anterior maxilla. Complex odontomas are an amorphous mass of enamel and dentine, usually in the posterior mandible.
Option by option
A. Compound odontoma (correct)
Correct. Denticles in the anterior maxilla identify a compound odontoma.
B. Ameloblastic carcinoma
Ameloblastic carcinoma is malignant and destructive.
C. Cementoblastoma
Cementoblastoma is fused to a root.
D. Complex odontoma
A complex odontoma is amorphous with no tooth-like forms.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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