<prompt> Delayed dentition is seen in:Down syndromeCongenital hypothyroidismRicketsAll of the above  <response>: Causes of delayed dentition: Familial Rickets Idiopathic; Incontinentiapigmenti Endocrine causes : Hypothyroidism, hypoparathyroidism, hypopituitarism Down syndrome Cleidocranial dysplasia Progeria Advanced dentition- Seen in: o Precocious pubey o Hypehyroidism 