| usually | 40 | degree |
| often | 28 | degree |
| after a root canal | 22 | temporal |
| crown → be → necessary | 328 |
| crown → be → required | 88 |
| crown → be → need | 5 |
| negative | neutral | positive |
| 0.337 | 0.592 | 0.071 |
| Raw frequency | 421 |
| Normalized frequency | 0.848 |
| Modifier score | 0.699 |
| Perplexity | 119.415 |