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
A 11-year-old patent wearing full-banded orthodontic appliance has inflamed gingiva. The family dentist should 
Select and explain. 
A. Encourage better oral hygiene, B. Perform deep scaling and curettage, C. Perform gingivoplasty after debanding, D. Ask orthodontist to remove the bands so that healing can occur
A: Encourage better oral hygiene
Answer: A: Encourage better oral hygiene 
Explanation: None