Question 87 · LDEK · Etiology of malocclusion
Indicate the true statement concerning cleidocranial dysplasia:
- A. it belongs to asymmetric disorders of I and II branchial arch.
- B. mental growth is compromised.
- C. numerous supernumerary and impacted teeth occur.
- D. skull ossification is normal.
- E. face morphology is normal.
Hint
Remember the gene involved (RUNX2) and that this is a generalised disorder of bone formation affecting the skull and clavicles.
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