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
Polycarboxylate cement adhesive failure is most
commonly at 
Select and explain. 
A. Cement prosthesis interface, B. Cement tooth interface, C. Fracture through cement, D. cement tooth interface
A: Cement prosthesis interface
Answer: A: Cement prosthesis interface 
Explanation: None