Table 1. Treatment Groups.

Group	Rat number	Graft at right defect	Graft at left defect
1	3	AF-MSCs + pPCL + PRP	Empty
2	3	AF-MSCs + PCL + PRP	Empty
3	3	AF-MSCs + pPCL	Empty
4	3	AF-MSCs + PCL	Empty
5	3	pPCL + PRP	Empty
6	3	PCL + PRP	Empty
7	3	pPCL	Empty
8	3	PCL	Empty

AF-MSCs: Amniotic fluid-mesenchymal stem cells; pPCL: plasma-treated PCL scaffold; PCL: plasma-untreated PCL scaffold; PRP: platelet-rich plasma.