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': 'Whenever tooth structure is cut with bur residual organic and inorganic components form the \nSelect and explain. \nA. beilby layer, B. hybrid layer, C. smear Layer, D. rubbish layer', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]