| CHX | Chlorexidine |
| PVP/VA | Polyvinylpyrrolidone/vinyl acetate (PVP-VA) |
| ADS | Anti-discoloration System |
| FMPS | Full Mouth Plaque Score |
| FMBS | Full Mouth Bleeding Score |
| GI | Gingival Index |
| V1 | First Visit |
| V2 | Visit at the baseline |
| V3 | Visit after 2 weeks |
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