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
Cavity conditioning in ART is done by 
Select and explain. 
A. Cocoa Butter, B. Petroleum Jelly, C. 37% Phosphoric Acid, D. 10% Polyacrylic Acid
D: 10% Polyacrylic Acid
Answer: D: 10% Polyacrylic Acid 
Explanation: None