All of the following are causes of delayed dentition except
Delayed dentition means there is no eruption of teeth by the age of 13 months of age (mean + 35D).
Causes of delayed dentition:
Rickets
Down syndrome
Hypothyroidism
Hypoparathyroidism
Cleidocranial dysplasia
Rickets
Hyperparathyroidism
Hypothyroidism
Cleidocranial dysplasia