Table 2. Expression of pro-inflammatory and anti-inflammatory cytokines in post-treatment apical periodontitis.
| Staining intensity | IL-1β | IL-6 | TNF-α | IFN-γ | IL-4 | TGF-β |
|---|---|---|---|---|---|---|
| Granuloma | ||||||
| Focal | 70% | 85% | 90% | 75% | 15% | 70% |
| Weak/moderate | 25% | 15% | 10% | 25% | 80% | 10% |
| Strong | 5% | - | - | - | 5% | 20% |
| Cystic epithelium | ||||||
| Focal | 57% | 100% | 43% | 85.5% | 14% | 57% |
| Weak/moderate | 28.5% | - | 57% | 14.5% | 57% | 43% |
| Strong | 14.5% | - | - | - | 29% | - |
| Connective tissue of cysts | ||||||
| Focal | 71% | 86% | 43% | 57% | 28.5% | 71% |
| Weak/moderate | - | 14% | 57% | 43% | 57% | 14.5% |
| Strong | 29% | - | - | - | 14.5% | 14.5% |