This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Identification, Subject name: Forensic Medicine
[{'content': 'Period of mixed dentition is \nSelect and explain. \nA. 3-5 years, B. 6-11 years, C. 12-15 years, D. 15-18 years', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Period of mixed dentition: stas from the eruption of first molar. It is usually 6-11 years and may extend to 12-13 years. Thus, Number of teeth by 2-6 years: 20 temporary Number of teeth at 7 years is 24 teeth: 4 permanent and 20 temporary teeth At the age of 10 years, 16 permanent teeth and 8 temporary teeth. At 11 years, 20 permanent teeth and 4 temporary teeth. Ref: FORENSIC MEDICINE AND TOXICOLOGY Dr PC IGNATIUS PAGE NO 80', 'role': 'assistant'}]