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': 'Calcium hydroxide is advocated as an inter appointment intracanal medication because of \nSelect and explain. \nA. Its ability to dissolve necrotic tissue, B. Its antimicrobial property, C. Its ability to stimulate hard tissue formation, D. Its powerful bleaching effect', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]