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