Which of the following statements about indirect pulp caps is false?: (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 cap treatment is poorer than that of direct pulp caps.
Answer is D. 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.