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
What is true for fixed prosthesis? 
Select and explain. 
A. It is difficult to remove prosthesis when cemented with cement having maximum compressive strength and low tensile strength, B. It is difficult to remove prosthesis when cemented with cement having maximum compressive strength and low shear strength, C. Cement is weakest phase in fixed prosthesis, D. Increased thickness of cement will cause less flaw compared to small thickness
C: Cement is weakest phase in fixed prosthesis
Answer: C: Cement is weakest phase in fixed prosthesis 
Explanation: None