Question 251 · LDEK · Developmental disorders of teeth
Indicate the true statement concerning true hyperdontia:
- A. it is an increased number of erupted milk teeth - above 20 or the permanent ones - above 32.
- B. may occasionally be caused by the presence of persistent milk teeth.
- C. teeth in the case of true hyperdontia are always misshaped.
- D. incidence of true hyperdontia in permanent dentition is estimated at 5.8-8.9%.
- E. A, C and D are true.
Hint
Distinguish true hyperdontia (extra tooth germs) from pseudo-hyperdontia, and recall normal tooth counts and realistic prevalence figures.
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