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 bacterial flora associated with Juvenile periodontitis is mainly: 
Select and explain. 
A. Gram +ve aerobic cocci, B. Gram +ve anaerobic cocci, C. Gram -ve aerobic cocci, D. Gram -ve anaerobic cocci
D: Gram -ve anaerobic cocci
Answer: D: Gram -ve anaerobic cocci 
Explanation: None