| Typicality: | 0.334 |
| Saliency: | 0.364 |
| due to necrotic tissue | 4 | cause |
| usually | 3 | temporal |
| over time | 2 | temporal |
| tooth → darken in → colour | 37 |
| tooth → darken in → color | 10 |
| tooth → turn → dark color | 3 |
| negative | neutral | positive |
| 0.658 | 0.318 | 0.024 |
| Raw frequency | 50 |
| Normalized frequency | 0.364 |
| Modifier score | 0.550 |
| Perplexity | 212.701 |