Table 3.

Impact on clench

	Deep		Open
	Mean	SD	Mean	SD
Beginning of the treatment	4,087	512	3,702	432
Before surgical intervention 1	3,798	400	3,487	567
Before surgical intervention 2	3,990	528	3,569	378
After surgical intervention 1	2,071	322	1,965	345
After surgical intervention 2	2,670	201	2,592	254
End of the treatment	5,123	387	5,127	429

Values are expressed in microvolts.