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Pathology · single question

Taurodontism is most classically associated with which syndrome?

  1. Crouzon syndrome
  2. Edwards syndrome (Trisomy 18)
  3. Peutz-Jeghers syndrome
  4. Klinefelter syndrome (47,XXY)
Show answer and explanation

Correct answer: D. Klinefelter syndrome (47,XXY)

  • A. Crouzon involves craniosynostosis and midface hypoplasia; not primarily taurodontism.
  • B. Trisomy 18 (Edwards) can have dental anomalies but taurodontism is not its hallmark.
  • C. Peutz-Jeghers presents with mucocutaneous melanotic pigmentation and GI polyps; not specifically taurodontism.
  • D. Klinefelter syndrome (47,XXY) is classically associated with taurodontism. Other associations include Down syndrome and hypohidrotic ectodermal dysplasia. Klinefelter is the most frequently tested association on boards.

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