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
Caries assessment in children; which one is not high risk
factor 
Select and explain. 
A. White opalescent area on the tooth, B. General hypoplasia, C. Initial demineralization, D. Child with special problems/needs
C: Initial demineralization
Answer: C: Initial demineralization 
Explanation: None