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Pathology · single question

Taurodontism (enlarged pulp chambers with apical displacement of furcation) is associated with which syndrome?

  1. Klinefelter syndrome
  2. DiGeorge syndrome
  3. Turner syndrome
  4. Down syndrome
Show answer and explanation

Correct answer: A. Klinefelter syndrome

  • A. Correct. Taurodontism is most strongly associated with Klinefelter syndrome (XXY). It can also occur in other conditions but the classic board-tested association is Klinefelter syndrome. (Source noted Down syndrome was NOT listed as an option.)
  • B. DiGeorge syndrome involves 22q11.2 deletion causing cardiac defects, immunodeficiency, and hypocalcemia; taurodontism is not a primary feature.
  • C. Turner syndrome (45,X) can be associated with some dental anomalies but taurodontism is not the classic association.
  • D. Down syndrome (trisomy 21) is associated with macroglossia, open bite, and periodontal disease, but taurodontism is not its classic dental finding. The source explicitly noted Down syndrome was not an answer choice.

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