Table 1. EMG of right and left masseter (M) muscle during isometric contraction before and after laser therapy.

Group	Masseter	Initial (mean ± SD)	Final (mean ± SD)
Group 1 (LLLT; n=9)	Right	49.1 ± 28.5	56.7 ± 19.7
	Left	51.6 ± 28.5	58.8 ± 19.8
Group 2 (sham; n=7)	Right	60.3 ± 26.9	56.5 ± 24.5
	Left	56.6 ± 30.8	46.3 ± 28.1