This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Growth and development, Subject name: Pediatrics
[{'content': 'Primary Dentition begins to show teeth eruption by __________ \nSelect and explain. \nA. 6 weeks, B. 12 weeks, C. 6 months, D. 12 months', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Primary dentition to appear first is the lower central incisors at 6-10 months of age. Ref- Ghai , 9th edition , Table 2.2', 'role': 'assistant'}]