Assessment of Masticatory Muscle Function in Patients with Bilateral Complete Cleft Lip and Palate and Posterior Crossbite by means of Electromyography

Table 2

The results of the masticatory muscle EMG recordings during clenching in the children studied.

Region	Variable	Gender	BCCLP group			Noncleft group			value
			n	Mean	SD	n	Mean	SD
Temporalis muscles	Electrical activity (μV/μV%)	Females	10	102.17	28.43	15	119.79	33.34	0.184
		Males	10	103.01	21.63	17	132.15	51.08	0.101
		Total	20	102.59	24.59	32	126.36	43.45	0.030
	Asymmetry Index (%)	Females	10	6.51	5.20	15	4.95	3.96	0.403
		Males	10	5.32	4.12	17	6.52	3.79	0.535
		Total	20	5.91	4.56	32	5.78	3.89	0.919
Masseter muscles	Electrical activity (μV/μV%)	Females	10	96.11	25.24	15	113.12	32.62	0.178
		Males	10	103.33	20.77	17	125.16	42.62	0.144
		Total	20	99.72	22.80	32	119.51	38.15	0.041
	Asymmetry Index (%)	Females	10	9.39	5.53	15	9.08	7.33	0.910
		Males	10	4.37	3.15	17	7.25	4.83	0.128
		Total	20	6.88	5.41	32	8.11	6.10	0.464

Statistically significant difference.