Without tenting, {TAIL ~ the electrode} penetrates mucosal tissue fully, to obtain a desired depth of {HEAD ~ penetration} 
Without tenting , { TAIL ~ the electrode } penetrates mucosal tissue fully , to obtain a desired depth of { HEAD ~ penetration }
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD