{HEAD ~ A scanner} is described which acquires images of {TAIL ~ the dentition} which are converted to three dimensional frames of data 
{ HEAD ~ A scanner } is described which acquires images of { TAIL ~ the dentition } which are converted to three dimensional frames of data
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH