Pathology · single question

In which dental anomaly do two teeth share the same pulp chamber?

  1. Gemination
  2. Dilaceration
  3. Fusion
  4. Twinning
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Correct answer: A. Gemination

  • A. Correct. Gemination occurs when a single tooth germ attempts to divide but fails completely, resulting in two crowns sharing one pulp chamber. The tooth count remains normal.
  • B. Dilaceration is an angulation/bend in the root, not a pulp-sharing anomaly.
  • C. Fusion involves two separate tooth germs joining, resulting in one less tooth in the arch (different from gemination).
  • D. Twinning involves a single tooth germ dividing into two complete teeth, each with its own pulp.

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