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