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