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: Pathology
Oral foci of Miller's are seen in: 
Select and explain. 
A. Herpes simplex., B. Lichen planus., C. Dental caries., D. Syphilis.
C: Dental caries.
Answer: C: Dental caries. 
Explanation: None