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
[{'content': 'All of the followingPhysical changes taken place in a RCT treated tooth except: \nSelect and explain. \nA. Loss of moisture., B. Increase fracture susceptibility of tooth., C. Compressive strength decreases, D. Tooth stiffness reduces', 'role': 'user'}, {'content': 'Answer: C \nExplanation: compressive and tensile strength remains the same.', 'role': 'assistant'}]