| with patches of white | 3 | other |
| in more severe forms | 3 | other |
| tooth → be → mottled | 8 |
| tooth → become → mottled | 7 |
| tooth → appear → mottled | 7 |
| tooth → look → mottled | 5 |
| negative | neutral | positive |
| 0.634 | 0.347 | 0.019 |
| Raw frequency | 27 |
| Normalized frequency | 0.285 |
| Modifier score | 0.500 |
| Perplexity | 55.383 |