| much | 19 | degree |
| the harder they brush | 7 | other |
| within just 21 days | 7 | temporal |
| tooth → be → cleaner | 80 |
| tooth → become → cleaner | 11 |
| tooth → stay → cleaner | 11 |
| tooth → be → the cleaner | 8 |
| tooth → get → cleaner | 5 |
| negative | neutral | positive |
| 0.076 | 0.244 | 0.680 |
| Raw frequency | 115 |
| Normalized frequency | 0.472 |
| Modifier score | 0.500 |
| Perplexity | 185.036 |