Question 50 · LDEK · Developmental disorders of teeth

Taurodontism may be present in:

1) vitamin D-resistant rickets;
2) dens invaginatus;
3) hypophosphatasia;
4) some cases of dentinogenesis imperfecta;
5) amelogenesis imperfecta;
6) molar-incisor hypomineralization.
The correct answer is:
  1. A. 1,2,3.
  2. B. 2,3,4.
  3. C. 3,4,5,6.
  4. D. 1,3,4.
  5. E. 1,3,4,6.
Hint

Think of systemic and genetic disorders of mineral metabolism and dentine formation, not localized shape or enamel-mineralization defects.

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