From: Early results of low-level laser application for masticatory muscle pain: a double-blind randomized clinical study
Before Treatment
After Treatment
Mean ± SD
Laser Group I
62.65 ± 10.42
31.46 ± 7.14*
Laser Group II
58.38 ± 7.25
44.05 ± 7.14*
Plasebo Group
53.31 ± 8.79
49.75 ± 9.54**