| Non-smokers n = 5 | Smokers n = 5 | |
| Gender (M; F) | 2; 3 | 3; 2 |
| Age | 27.6 ± 3.36 | 35.8 ± 12.5 |
| Cigarette consumption (#) | -- | 13.4 ± 2.19 |
| Duration of smoking (years) | -- | 19 ± 13.03 |
| Periodontal health status | Self-recognized healthy | Gingivitis (n = 1) |
| Diet | Non-vegetarian | Non-vegetarian |