Question 156 · LDEK · Etiology of malocclusion

Which genetic syndrome is associated with mandibular hypoplasia?

  1. A. cleidocranial dysplasia.
  2. B. Treacher Collins syndrome.
  3. C. Crouzon syndrome.
  4. D. Apert syndrome.
  5. E. ectodermal dysplasia.
Hint

Look for the mandibulofacial dysostosis with underdeveloped zygomas and mandible.

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