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
Which one of the following is NOT an approach to the health education ? 
Select and explain. 
A. Regulatory approach, B. Service approach, C. Health education approach, D. Primary health centre facilities
D: Primary health centre facilities
Answer: D: Primary health centre facilities 
Explanation: None