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': 'Which of the following statements about indirect pulp caps is false? \nSelect and explain. \nA. Some leathery caries may be left in the preparation., B. A liner is generally recommended in the excavation., C. The operator should wait at least 6 to 8 weeks before re-entry (if then)., D. The prognosis of indirect pulp cap treatment is poorer than that of direct pulp caps.', 'role': 'user'}, {'content': 'Answer: D \nExplanation: When doing an indirect pulp cap some caries may be left, a liner  is usually placed over the excavated area, and the area may be assessed 6 to 8 weeks later. Regardless, the indirect pulp cap prognosis is better than the prognosis for direct pulp caps.', 'role': 'assistant'}]