Delayed eruption of teeth occurs in_________________?

Correct answer: C. Cleidocranial dysostosis

  • A. Craniofacial dysostosis
  • B. Hyperthyroidism
  • C. Cleidocranial dysostosis
  • D. Osteitis deformans

Explanation

Cleidocranial dysostosis causes numerous supernumerary teeth and failure or marked delay of permanent tooth eruption because of defective clavicular and cranial development. Hyperthyroidism generally accelerates skeletal and dental development rather than delaying eruption.

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