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
High impact resin has? 
Select and explain. 
A. Polysterene, B. Butadine-Styrene rubber, C. Polyehtyl methacrylate, D. Polyamides
B: Butadine-Styrene rubber
Answer: B: Butadine-Styrene rubber 
Explanation: High impact resin = Butadiene rubber (5 to 10%) in powder