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': 'Isolite system is an advancement in: \nSelect and explain. \nA. Advanced lignocaine syringe system, B. Isolation system, C. Light curing system having LED system, D. Bleaching for fluorosed teeth', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Isolite:\n\nNewer isolation device that provides illumination in addition to suction, retraction of tongue & cheek and an integrated bite block.\nRetracts and protects the tongue and cheeks.\nDelivers shadowless illumination throughout the oral cavity, continuously aspirates fluids and oral debris, and obturates the throat to prevent aspiration of instruments or other materials.\n\nRef: Fundamentals of Operative Dentistry, Summits and Schwartz, 4th edition, pg no: 188', 'role': 'assistant'}]