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New bone formation
| Group | 2 weeks | 4 weeks | 8 weeks |
|---|---|---|---|
| Control group (defect) | 3.2fect | 5.8fect | 8.1fect |
| Experimental group 1 (DDM) | 20.3rime | 30.6rimen | 45.1rimen |
| Experimental group 2 (PRF/DDM) | 22.7rimen | 31.2rimen | 46.5rimen |
| Experimental group 3 (rhBMP-2/DDM) | 26.9rimen | 42.7±13.8★ | 58.7±19.8★ |
★Statistically significant difference compared to the DDM group (P < 0.05) (each group averagefstandard deviation, %)
