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
Preventive resin restoration is used 
Select and explain. 
A. Used in cavitated pit and fissure sealants which require restoration, B. Used in non cavitated pit and fissure sealants, C. In deep caries, D. In non-accessible proximal areas
A: Used in cavitated pit and fissure sealants which require restoration
Answer: A: Used in cavitated pit and fissure sealants which require restoration 
Explanation: None