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': 'In triple antibiotic paste, minocycline can be replaced by: \nSelect and explain. \nA. Tetracycline, B. Cefixime, C. Cefuroxime, D. Cefaclor', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ciproﬂoxacin, Minocycline and Metronidazole comprise the triple antibiotic paste, which can be used\xa0as an intracanal medicament to disinfect the canal.\xa0\nMinocycline causes discoloration of teeth.\xa0\nThat is why, Cefaclor has been substituted in place of Minocycline.', 'role': 'assistant'}]