Table 4.

Comparison of the mean values (± SD) of bioelectric activity of temporalis anterior (TA), masseter muscle (MM) and electromyographic indices between groups during clenching.

		MTrPs Group	TMDs Group	Control Group	p Value MTrPs vs. TMDs	p Value MTrPs vs. Controls	p Value TMDs vs. Controls
Clenching	TA (µV)	110.22 ± 63.79	89.56 ± 52.39	118.37 ± 63.77	0.29	0.99	0.03 *
	MM (µV)	120.43 ± 91.15	68.30 ± 46.58	133.63 ± 86.03	0.00 *	0.49	0.00 *
	MVC TA (%)	91.82 ± 38.94	116.98 ± 77.34	103.09 ± 42.94	0.02 *	0.32	0.69
	MCV MM (%)	68.95 ± 31.17	77.34 ± 39,59	76.29 ± 32.37	0.67	0.56	1.00
	POC (%)	96.79 ± 33.09	105.51 ± 43.01	97.89 ± 31.02	0.51	1.00	1.00
	AsI TA	−11.47 ± 63.56	−1.22 ± 48.56	−4.47 ± 15.65	0.37	0.07	1.00
	AsI MM	1.44 ± 5.44	1.27 ± 25.64	−1.31 ± 21.33	1.00	1.00	1.00
	AcI R	0.72 ± 28.91	−14.46 ± 26.65	4.12 ± 27.40	0.03 *	1.00	0.00 *
	AcI L	−5.54 ± 28.67	−15.69 ± 34,62	1.09 ± 29.48	0.15	0.61	0.01 *
	AcI	20.42 ± 100.33	−42.52 ± 74.05	3.07 ± 26.23	0.01 *	1.00	0.00 *
	TC (%)	−18.40 ± 68.96	−344.47 ± 4458.64	−14.41 ± 65.91	1.00	1.00	1.00

* Significant differences (p < 0.05) between groups (Kruskal-Wallis test).