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
An acidic agent that dissolves the inorganic structure in dentin that allows infiltration of adhesive resin is 
Select and explain. 
A. Dentin bonding agent, B. Dentin conditioner, C. Primer, D. None of the above
B: Dentin conditioner
Answer: B: Dentin conditioner 
Explanation: None