Table 3 Temporomandibular Disorders (TMD) symptoms and signs and bite force measurement of the two patients groups and controls
| Controls | Fibromyalgia | p | Pain Amplification Syndrome | p | |
|---|---|---|---|---|---|
| TOTAL (n) | 20 | 12 | 28 | ||
| TMD symptoms (%) | 3 (15.0) | 9(75) | 0.001* | 16(57.1) | 0.003* |
| Pain on palpation(%) | 6 (30.0) | 12(100) | 0.0001* | 24(85.7) | 0.0001* |
| Pain on function(%) | 4 (20.0) | 6(50) | 0.102 | 10(35.7) | 0.252 |
| Bite force (mean) in N | |||||
| Anterior | 143.3 | 154.6 | 0.629 | 133.3 | 0.527 |
| Right side | 313.2 | 344.9 | 0.377 | 334.9 | 0.479 |
| Left side | 314.7 | 343.7 | 0.444 | 357 | 0.157 |