| Typicality: | 0.449 |
| Saliency: | 0.528 |
| often | 7 | temporal |
| especially | 7 | degree |
| with braces | 5 | other |
| tooth → be difficult to → clean | 88 |
| tooth → be hard to → clean | 40 |
| tooth → be difficult to → keep clean | 26 |
| tooth → become difficult to → clean | 10 |
| tooth → be hard to → keep clean | 6 |
| tooth → be hard to → reach and keep clean | 4 |
| tooth → be not easy to → clean | 3 |
| negative | neutral | positive |
| 0.830 | 0.143 | 0.027 |
| Raw frequency | 177 |
| Normalized frequency | 0.528 |
| Modifier score | 0.689 |
| Perplexity | 29.089 |