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 valuable test for evaluating caries activity in very
young children is 
Select and explain. 
A. Lactobacillus colony count test, B. Swab test, C. Alban test, D. Calorimetric snyder test
B: Swab test
Answer: B: Swab test 
Explanation: None