This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Growth, Subject name: Pediatrics
[{'content': 'Delayed dentition is seen in: \nSelect and explain. \nA. Down syndrome, B. Congenital hypothyroidism, C. Rickets, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: 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*', 'role': 'assistant'}]