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
Full mouth disinfection therapy aims at 
Select and explain. 
A. Full mouth scaling within 24hours, B. Full mouth scaling within 48 hours, C. Quadrant wise scaling over 7-10 days, D. Five days of antibiotic therapy
A: Full mouth scaling within 24hours
Answer: A: Full mouth scaling within 24hours 
Explanation: None