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': "The procedure where carious tooth tissue is removed by hand instruments, and the cavity is restored with a restorative material that 'sticks' to the tooth is \nSelect and explain. \nA. Preventive, B. ART, C. Type IV restoration, D. Pit and fissure sealants", 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]