| Typicality: | 0.721 |
| Saliency: | 0.999 |
| often | 30 | degree |
| to save the tooth | 22 | purpose |
| to save it | 17 | purpose |
| root canal → be → necessary | 376 |
| root canal → be → required | 81 |
| root canal → become → necessary | 64 |
| root canal → be → necessary treatment | 5 |
| root canal → be → necessary procedure | 5 |
| root canal → be needed in → case | 4 |
| root canal → be → warranted | 3 |
| negative | neutral | positive |
| 0.451 | 0.497 | 0.052 |
| Raw frequency | 538 |
| Normalized frequency | 0.999 |
| Modifier score | 0.637 |
| Perplexity | 76.137 |