The system 19, wherein the scanner further comprises {TAIL ~ a video mode} of operation in which a light source illuminates the dentition and an imaging device generates a video image of {HEAD ~ the dentition} 
The system 19 , wherein the scanner further comprises { TAIL ~ a video mode } of operation in which a light source illuminates the dentition and an imaging device generates a video image of { HEAD ~ the dentition }
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD