Table 4: Analysis of Local anaesthesia versus dry needling.
| Outcome or Subgroup | Studies | Participants | Statistical method | Effect estimate |
| Pain immediately | 1 | 20 | Mean Difference (IV, Fixed, 95% CI) | -7.00 [-32.02, 18.02] |
| pain at 3 months | 0 | 0 | Mean Difference (IV, Fixed, 95% CI) | Not estimable |
| Masticatory efficiency | 0 | 0 | Mean Difference (IV, Fixed, 95% CI) | Not estimable |
| Quality of life | 0 | 0 | Mean Difference (IV, Fixed, 95% CI) | Not estimable |