Group | Experimental plan | Number of animals |
---|---|---|
Sham control | Molar replantation only - no collagen scaffold or growth factor | 3 |
Collagen only | Molar replantation, collagen scaffold, no growth factor (saline) | 3 |
EGF and collagen | Molar replantation, collagen scaffold impregnated with EGF | 3 |
NGF and collagen | Molar replantation, collagen scaffold impregnated with NGF | 3 |