Question 346 · LDEK · Developmental disorders of teeth
True hyperdontia:
- A. less frequently affects permanent teeth than primary teeth.
- B. more frequently involves the front part rather than the sides of the maxilla.
- C. can involve the presence of teeth that are eumorphic or structurally abnormal.
- D. can be a manifestation of Pierre Robin syndrome.
- E. is associated with mutations in the gene PAX9 on chromosome 14, gene MSX1 on chromosome 4 and gene AXIN2.
Hint
Focus on what supernumerary teeth can look like, and check the frequency, syndrome and gene claims against known data.
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