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
Restorative material which decreases the tensile strength and fracture toughness of dentin, when used during RCT: 
Select and explain. 
A. Calcium hydroxide., B. EDTA., C. Sodium hypochlorite., D. All of the above.
D: All of the above.
Answer: D: All of the above. 
Explanation: None