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
Which of the following statements about indirect pulp capping is false? 
Select and explain. 
A. 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 capping treatment is poorer than that of direct pulp capping.
D: The prognosis of indirect pulp capping treatment is poorer than that of direct pulp capping.
Answer: D: The prognosis of indirect pulp capping treatment is poorer than that of direct pulp capping. 
Explanation: When doing an indirect pulp capping, 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 capping prognosis is better than the prognosis for direct pulp capping.