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Pathology · single question

Each of the following is true of taurodontism EXCEPT one. Which is the exception?

  1. Larger pulp chamber due to occlusally displaced furcation
  2. Occurs in patients with amelogenesis imperfecta and Down syndrome
  3. Permanent and primary teeth may be affected
  4. Unusual root shape due to late invagination of Hertwig's epithelial root sheath
Show answer and explanation

Correct answer: A. Larger pulp chamber due to occlusally displaced furcation

In taurodontism, the pulp chamber is enlarged due to an apically displaced furcation, not occlusally displaced. It results in elongated pulp chambers and shorter roots. Taurodontism can be associated with amelogenesis imperfecta and Down syndrome, and it may affect both permanent and primary teeth.

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