| very | 8 | degree |
| for most teeth | 7 | transitive-object |
| with all the advances | 5 | other |
| whitening → be → effective | 34 |
| whitening → be → more effective | 6 |
| whitening → be → effective way | 3 |
| whitening → be → beneficial | 3 |
| whitening → be → most effective | 3 |
| negative | neutral | positive |
| 0.027 | 0.272 | 0.700 |
| Raw frequency | 49 |
| Normalized frequency | 0.932 |
| Modifier score | 0.800 |
| Perplexity | 123.008 |