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| Site | Forceps | Day 1 | Day 3 | Day 7 | |||
| Mean | SD | Mean | SD | Mean | SD | ||
| Mandible | Physics forceps | 3.3 | 0.865 | 0.55 | 0.826 | 0 | 0 |
| Conventional | 2 | 0.562 | 0.3 | 0.657 | 0 | 0 | |
| Maxilla | Physics forceps | 4.9 | 0.788 | 2.05 | 0.605 | 0 | 0 |
| Conventional | 3.15 | 0.875 | 0.75 | 0.786 | 0 | 0 | |
| The "Between Comparisons" of the interaction effect "Forceps *site" clearly infers that pain level experienced by the participants has been higher for physics forceps at the maxilla site. |
