Question 190 · LDEK · Etiology of malocclusion
The malformation which occurs if in the 8th week of fetal life the embryo cephalic part does not move away from its caudal part is called:
- A. mandibulo-facial dysostosis.
- B. Cruzon syndrome.
- C. Pierre Robin syndrome.
- D. Ellis-van Creveld syndrome.
- E. cranio-facial dysostosis.
Hint
The deformity arises when prolonged head flexion compresses the mandible and keeps the tongue between the palatal shelves.
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