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 biofilms found on tooth surfaces are termed as: 
Select and explain. 
A. Enamel, B. Dental caries, C. Dental plaque, D. Saliva
C: Dental plaque
Answer: C: Dental plaque 
Explanation: None