| AD | antioxidative defense |
| AOPPs | advanced oxidative protein products |
| BOP | bleeding on probing |
| BRP | Brazilian red propolis |
| CAT | catalase |
| CG | control group |
| CHX | chlorhexidine |
| FPN | ferroportin |
| GBI | gingival plaque bleeding index |
| GCF | gingival crevicular fluid |
| GI | gingival index |
| MPO | myeloperoxidase activity |
| MTC | matricaria therapy chamomilla |
| NI-TI | nickel-titanium |
| NO | nitric oxide |
| OS | oxidative stress |
| PCR | polymerase chain reaction |
| PD | probing depth |
| PI | plaque index |
| ROS | reactive oxygen species |
| SOD | superoxide dismutase |
| TAC | total antioxidant capacity |
| TBARS | thiobarbituric acid reactive substances |
| TG | treatment group |
| TOS | total oxidant status |
| VPI | visible plaque index |