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
Black Extension for prevention to MID (Minimally invasive dentistry), all are true except 
Select and explain. 
A. Site & size of lesion, B. Technique & Material used, C. Increase number of cariogenic bacteria, D. Minimal preparation of cavity
C: Increase number of cariogenic bacteria
Answer: C: Increase number of cariogenic bacteria 
Explanation: None