This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Assessment of Growth, Subject name: Pediatrics
[{'content': 'Wisdom tooth erupts at which age - \nSelect and explain. \nA. 6-8 years, B. 10-12 years, C. 12-15 years, D. 17-20 years', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., 17-20 years o Wisdom teeth are permanent third molarsEruption of temporary teeth(Primary dentition)ToothAge in range (months)Average age (months)Lower CI6-87Upper CI7-98Uppler LI7-98Lower LI10-12111 molar12-1413Canine17-1817[?]5II molar20-3025 Eruption of permanent teeth(Secondary dentition) Age in range (year)Average age (year)First m olar6-76[?]5Central incisor7-87Lateral incisor8-98First PM9-1110Second PM10-1211Canine11-1211[?]5Second molar12-1413Third molar17-2517", 'role': 'assistant'}]