| TTO | Tea tree oil |
| EEP | Ethanolic extract of propolis |
| API | Approximal Plaque Index |
| mSBI | modified Sulcus Bleeding Index |
| OHI-s | simplified Oral Hygiene Index |
| DPI | Denture Plaque Index |
| TTO | Tea tree oil |
| EEP | Ethanolic extract of propolis |
| API | Approximal Plaque Index |
| mSBI | modified Sulcus Bleeding Index |
| OHI-s | simplified Oral Hygiene Index |
| DPI | Denture Plaque Index |