Masticatory muscle | Without splints 1 (Mean ± SD) | Soft occlusal splint 2 (Mean ± SD) | Hard occlusal splint 3 (Mean ± SD) | Modified anterior splint 4 (Mean ± SD) | P | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
1/2/3/4 | 1/2 | 1/3 | 1/4 | 2/3 | 2/4 | 3/4 | ||||||
Anterior temporal muscle | left | 148.63 ± 45.87 | 154.56 ± 37.52 | 149.96 ± 39.43 | 52.03 ± 16.85 |  < 0.05 |  > 0.05 |  > 0.05 |  < 0.05 |  > 0.05 |  < 0.05 |  < 0.05 |
right | 146.38 ± 45.85 | 156.97 ± 46.61 | 157.36 ± 49 | 59.15 ± 22.48 |  < 0.05 |  > 0.05 |  > 0.05 |  < 0.05 |  > 0.05 |  < 0.05 |  < 0.05 | |
Masseter | left | 165.73 ± 61.34 | 168.64 ± 55.19 | 169.63 ± 67.97 | 87.30 ± 36.53 |  < 0.05 |  > 0.05 |  > 0.05 |  < 0.05 |  > 0.05 |  < 0.05 |  < 0.05 |
right | 163.11 ± 63.75 | 168.07 ± 55.46 | 170.32 ± 71.84 | 91.17 ± 38.86 |  < 0.05 |  > 0.05 |  > 0.05 |  < 0.05 |  > 0.05 |  < 0.05 |  < 0.05 |