{HEAD ~ The device} of {TAIL ~ the invention} can be used for distraction of a single tooth defect 
of
{ HEAD ~ The device } of { TAIL ~ the invention } can be used for distraction of a single tooth defect
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH