| to prevent infection | 10 | purpose |
| prior to an organ transplant | 7 | temporal |
| by a dentist | 5 | other |
| tooth → need → removal | 136 |
| tooth → require → removal | 83 |
| negative | neutral | positive |
| 0.616 | 0.354 | 0.030 |
| Raw frequency | 219 |
| Normalized frequency | 0.556 |
| Modifier score | 0.552 |
| Perplexity | 242.627 |