| GC | Control group |
| CC | Test group (with chips) |
| BOP | Bleeding on Probing |
| PI | Plaque index |
| PPD | Periodontal probing depth |
| aMMP8 | activated matrix metalloproteinase 8 |
| TBL | total bacterial load |
| GC | Control group |
| CC | Test group (with chips) |
| BOP | Bleeding on Probing |
| PI | Plaque index |
| PPD | Periodontal probing depth |
| aMMP8 | activated matrix metalloproteinase 8 |
| TBL | total bacterial load |