Table 1.
Background information of the study population. Clinical data measured by plaque and BOP% by the mean and standard deviation (sd) for placebo and probiotics at baseline, day 14, and day 28.
| Placebo (n = 35) | Probiotic (n = 36) | |
|---|---|---|
| Sex (female/male) | 26/9 | 29/7 |
| Age (mean, range) | 23.4 (19–30) | 24 (20–30) |
| Dental students | 25/35 | 21/36 |
| Clinical examination | ||
| Baseline | ||
| Plaque mean (sd) | 1.72 (0.3) | 1.75 (0.3) |
| BOP% mean (sd) | 2.82 (2.8) | 3.10 (2.9) |
| Day 14 | ||
| Plaque mean (sd) | 1.57 (0.3) | 1.69 (0.3) |
| BOP% mean (sd) | 3.37 (2.9) | 4.18 (3.2) |
| Day 28 | ||
| Plaque mean (sd) | 1.55 (0.3) | 1.57 (0.3) |
| BOP% mean (sd) | 3.47 (2.7) | 3.94 (3.4) |