| MMP-8 | matrix-metalloproteinase-8 |
| BOB | bleeding on brushing |
| FMPS | full-mouth plaque score |
| FMBS | full-mouth bleeding score |
| PMN-leukocytes | polymorphonuclear-leukocytes |
| ELISA | enzyme-linked immunosorbent assay |
| PPD | probing pocket depth |
| DMFT-index | decayed, missing, filled teeth—index |