Fig. 6From: A comparative study of the effects of platelet-rich fibrin, concentrated growth factor and platelet-poor plasma on the healing of tooth extraction sockets in rabbitsA Percentage of new bone by histological study at 2 weeks. *P < 0.05; **P < 0.01; ***P < 0.001; ****P < 0.0001. n = 6. B Percentage of new bone by histological study at 4 weeks. *P < 0.05; ***P < 0.001; ****P < 0.0001. n = 6. C Percentage of new bone by histological study at 8 weeks. **P < 0.01; ****P < 0.0001. n = 6Back to article page