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Alveolar bone height just distal to second molar radiographically (mm)
| Group | Number of sites | Immediate postoperative | 1 month | 2 months | 4 months |
|---|---|---|---|---|---|
| I (PRF) | 50 | 4.34 | 2.84 | 2.15 | 1.30 |
| II (control) | 50 | 4.58 | 3.79 | 2.72 | 1.89 |
| Statistical analysis | P | 0.613 | 0.042 | 0.049 | 0.041 |
| T-test | Inference (P) | Not significant (>0.05) | Significant (<0.05) | Significant (<0.05) | Significant (<0.05) |
PRF: Platelet-rich fibrin
