{TAIL ~ This configuration} of {HEAD ~ the tooth} is similar to that described in column 7 line 37 45 of U.S. Pat No 5,005,342 
{ TAIL ~ This configuration } of { HEAD ~ the tooth } is similar to that described in column 7 line 37 45 of U.S. Pat No 5,005,342
TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH