This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
The supervision of a child's development of occlusion is most critical at ages? 
Select and explain. 
A. 3 - 6 years, B. 7 - 10 years, C. 11 - 14 years, D. 14 - 17 years
B: 7 - 10 years
Answer: B: 7 - 10 years 
Explanation: None