| to the surface of teeth | 3 | location |
| by a dentist | 2 | other |
| likewise | 2 | degree |
| fluoride → be found in → gel | 10 |
| fluoride → be applied as → gel | 8 |
| fluoride → use → gel | 6 |
| fluoride → come in → gel | 4 |
| negative | neutral | positive |
| 0.234 | 0.717 | 0.049 |
| Raw frequency | 28 |
| Normalized frequency | 0.447 |
| Modifier score | 0.500 |
| Perplexity | 28.409 |