Table 1.
Comparison of mean mouth opening, chewing efficiency, sound intensity of the TMJ, and tenderness of the TMJ and the masticatory muscles at rest, motion and mastication in pre- and postoperative study periods
| Base line | One month post injection | Three months post injection | Six months post injection | |
|---|---|---|---|---|
| Maximum mouth opening | 26.4 ± 11.3 | 33.5 ± 9.74‡ | 39.4 ± 7.34† | 41.5 ± 8.65‡ |
| Pain intensity (VAS) at rest | 33.5 ± 22.4 | 29.8 ± 19.7* | 25 ± 16.8* | 18.3 ± 17.9‡ |
| Pain intensity (VAS) at motion | 44.7 ± 11.4 | 40.6 ± 7.8† | 35.9 ± 8.6* | 29.7 ± 5.7‡ |
| Pain intensity (VAS) at mastication | 52.6 ± 33.7 | 43.8 ± 11.7‡ | 41.76 ± 12.3* | 31.5 ± 17.6† |
| Chewing efficiency (VAS) | 62 ± 27 | 58.4 ± 21 | 56 ± 23 | 51 ± 27* |
| Sound intensity (VAS) | 79.3 ± 12.8 | 54.6 ± 14.6† | 41.8 ± 21.5* | 2.9 ± 15† |
* P < .01; † P < .001; ‡ P < .0001