가토의 두개 결손부에서의 실크 단백질과 platelet-rich fibrin (PRF)의 골형성 효과
The bone regenerative effect of silk fibroin mixed with platelet-rich fibrin (PRF) in the calvaria defect of rabbit
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Introduction: This study evaluated the bone regenerative effect of silk fibroin mixed with platelet-rich fibrin (PRF) of a bone defect in rabbits. Materials and Methods: Ten New Zealand white rabbits were used for this study and bilateral round shaped defects were formed in the parietal bone (diameter: 8.0 mm). The silk fibroin mixed with PRF was grafted into the right parietal bone (experimental group). The left side (control group)was grafted only PRF. The animals were sacrificed at 4 weeks and 8 weeks. A micro-computerized tomography (μCT) of each specimen was taken. Subsequently, the specimens were decalcified and stained for histological analysis. Results: The average value of plane film analysis was higher in the experimental group than in the control group at 4 weeks and 8weeks after surgery. However, the difference was not statistically significant.(P>0.05) The tissue mineral density (TMD) in the experimental group at 4 weeks after surgery was significantly higher than the control group.(P<0.05)Conclusion: Silk fibroin can be used as a scaffold of PRF for rabbit calvarial defect repair.
Abstract
Introduction: This study evaluated the bone regenerative effect of silk fibroin mixed with platelet-rich fibrin (PRF) of a bone defect in rabbits. Materials and Methods: Ten New Zealand white rabbits were used for this study and bilateral round shaped defects were formed in the parietal bone (diameter: 8.0 mm). The silk fibroin mixed with PRF was grafted into the right parietal bone (experimental group). The left side (control group)was grafted only PRF. The animals were sacrificed at 4 weeks and 8 weeks. A micro-computerized tomography (μCT) of each specimen was taken. Subsequently, the specimens were decalcified and stained for histological analysis. Results: The average value of plane film analysis was higher in the experimental group than in the control group at 4 weeks and 8weeks after surgery. However, the difference was not statistically significant.(P>0.05) The tissue mineral density (TMD) in the experimental group at 4 weeks after surgery was significantly higher than the control group.(P<0.05)Conclusion: Silk fibroin can be used as a scaffold of PRF for rabbit calvarial defect repair.
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