| in neck | 12 | location |
| much | 3 | degree |
| tooth → cause → headache | 17 |
| tooth → lead to → headache | 8 |
| tooth → result in → headache | 7 |
| tooth → result in → chronic headaches | 4 |
| tooth → have → headache | 3 |
| negative | neutral | positive |
| 0.892 | 0.103 | 0.005 |
| Raw frequency | 39 |
| Normalized frequency | 0.332 |
| Modifier score | 0.200 |
| Perplexity | 354.226 |