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Article; Medical Biotechnology

Histopathologic evaluation of the effects of local simvastatin application and photobiomodulation by light-emitting diode on bone healing of rat calvarial defects

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Pages 442-450 | Received 03 Apr 2017, Accepted 08 Dec 2017, Published online: 26 Dec 2017

Figures & data

Table 1. Distribution of the rat groups.

Table 2. Fracture healing scoring system.

Figure 1. Group I-A with simvastatin. New bone formation around the simvastatin with active connective tissue and rich neovascularisation structure (H&E × 200).

Figure 1. Group I-A with simvastatin. New bone formation around the simvastatin with active connective tissue and rich neovascularisation structure (H&E × 200).

Figure 2. Group I-A without simvastatin. Osteoblasts, differentiated young mesenchymal stem cells and new secreted bone matrix (H&E × 400).

Figure 2. Group I-A without simvastatin. Osteoblasts, differentiated young mesenchymal stem cells and new secreted bone matrix (H&E × 400).

Figure 3. Group II-A with simvastatin. New bone formation with active connective tissue and simvastatin particles (H&E x 100).

Figure 3. Group II-A with simvastatin. New bone formation with active connective tissue and simvastatin particles (H&E x 100).

Figure 4. Group II-A without simvastatin. Young and old bleeding areas in the active connective tissue and osteoblastic differentiated young mesenchymal stem cells (H&E × 100).

Figure 4. Group II-A without simvastatin. Young and old bleeding areas in the active connective tissue and osteoblastic differentiated young mesenchymal stem cells (H&E × 100).

Table 3. Comparison of bone healing, inflammation, necrosis and fibrosis values on day 8.

Figure 5. Group I-B with simvastatin. Ice band like reticular bone formation between defect margins (H&E × 100).

Figure 5. Group I-B with simvastatin. Ice band like reticular bone formation between defect margins (H&E × 100).

Figure 6. Group I-B without simvastatin. Bridge-like new bone formation covering the defect (H&E × 100)

Figure 6. Group I-B without simvastatin. Bridge-like new bone formation covering the defect (H&E × 100)

Figure 7. Group II-B with simvastatin. New bone trabecules filling the half of the defect around the simvastatin particles (H&E × 100).

Figure 7. Group II-B with simvastatin. New bone trabecules filling the half of the defect around the simvastatin particles (H&E × 100).

Figure 8. Group II-B without simvastatin. Bridge-like new bone trabecules (H&E × 100).

Figure 8. Group II-B without simvastatin. Bridge-like new bone trabecules (H&E × 100).

Table 4. Comparison of bone healing, inflammation, necrosis and fibrosis values on day 15.