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': 'How many permanent teeth will be present in a 8 year old child? \nSelect and explain. \nA. 20, B. 24, C. 12, D. 16', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Permanent teeth erupt in the following order: First molar 6-7 years Central and lateral incisors 6-8 years Canine and premolars 9-12 years Second molar 12-13 years Third molar 18 years or later So at the age of 8 years first molar, central and lateral incisors would have erupted in each quadrant Hence, totally 12 permanent teeth will be present at the age of 8 years', 'role': 'assistant'}]