| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| when did dental anesthesia start | 1.79 | 0.1 | 2564 | 83 | 32 |
| when | 0.15 | 0.5 | 7186 | 20 | 4 |
| did | 1.2 | 0.5 | 3055 | 29 | 3 |
| dental | 0.26 | 0.6 | 1998 | 15 | 6 |
| anesthesia | 0.04 | 0.3 | 9260 | 28 | 10 |
| start | 1.4 | 0.1 | 1415 | 64 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| when did dental anesthesia start | 1.12 | 0.4 | 7588 | 17 |
