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 use of pit and fissure sealant is contraindicated in 
Select and explain. 
A. Arrested caries, B. Recalcitrant caries, C. Remedial caries, D. Rampant caries
D: Rampant caries
Answer: D: Rampant caries 
Explanation: None