Radiology · single question
Identify the anomaly:
Periapical radiograph shows a tooth-within-a-tooth appearance.
Show answer and explanation
Correct answer: A. Dens in dente (dens invaginatus)
'Tooth within a tooth' = dens in dente (dens invaginatus).
- A. Correct. The classic 'tooth within a tooth' radiographic appearance is dens invaginatus.
- B. Pulp stones are discrete radiopaque calcifications within the chamber, not an invagination.
- C. Concrescence is two teeth joined by cementum only.
- D. Gemination is one tooth bud attempting to divide.