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

Table 1

The results of the masticatory muscle EMG recordings at rest 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	6.54	1.47	15	5.19	1.37	0.028
		Males	10	7.26	3.09	17	6.10	1.16	0.173
		Total	20	6.90	2.38	32	5.67	1.32	0.021
	Asymmetry Index (%)	Females	10	13.61	9.51	15	12.12	7.58	0.712
		Males	10	14.85	10.63	17	12.35	8.90	0.568
		Total	20	14.23	11.32	32	12.24	9.34	0.495
Masseter muscles	Electrical activity (μV/μV%)	Females	10	4.70	1.51	15	4.76	2.58	0.943
		Males	10	5.38	2.84	17	5.10	2.59	0.795
		Total	20	5.04	2.24	32	4.94	2.55	0.890
	Asymmetry Index (%)	Females	10	13.66	9.98	15	16.10	11.90	0.670
		Males	10	16.24	11.19	17	13.54	9.48	0.579
		Total	20	14.95	11.36	32	14.74	10.51	0.954

Statistically significant difference.