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
After periodontal surgery, the method of brushing recommended is 
Select and explain. 
A. Charters method, B. Bass method, C. Modified stillmans method, D. Scrub method
A: Charters method
Answer: A: Charters method 
Explanation: None