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': 'ZOE is not used for permanent cementation because of? \nSelect and explain. \nA. Less strength, B. High solubility, C. Poor marginal seal, D. Poor pulpal protection', 'role': 'user'}, {'content': 'Answer: A \nExplanation: DISADVANTAGES\n\nIt does not adhere well to enamel and dentin; hence, it causes microleakage and cannot be used for interim and long-term restorations.\nDue to its low strength and high solubility, it cannot be used for permanent cementation(1st choice will be low strength then low solubility if asked in exams).\nIts solubility is highest among all cements.\n\nRef: Materials used in dentistry, S. Mahalaxmi pg 267', 'role': 'assistant'}]