| 8-OHdG | 8-hydroxy-2-deoxyguanosine |
| BN | Binucleate cells |
| CC | Condensed chromatin |
| CAL | Clinical attachment level |
| CP | Chronic periodontitis |
| ELISA | Enzyme-linked immunosorbent assay |
| FR | Free radical |
| KL | Karyolysis |
| KR | Karyorrhexis |
| MDA | Malondialdehyde |
| MN | Micronucleus |
| n | Sample size |
| nm | Nanometer |
| NBs | Nuclear buds |
| NAs | Nuclear abnormalities |
| OS | Oxidative stress |
| PYC | Pyknosis |
| PD | Probing depth |
| PI | Plaque index |
| SD | Standard deviation |