Dentistry – Apparatus – Broach
Patent
1980-09-16
1985-09-03
Peshock, Robert
Dentistry
Apparatus
Broach
A61C 502
Patent
active
045389896
ABSTRACT:
A dental reamer adapted for removing damaged nerve tissue and dead or injured cell material from the root canal of a tooth is formed with a tapered shank with at least two oppositely disposed continuous helical flutes formed along at least a part of its shank to define two oppositely disposed continuous helical upwardly facing cutting edges.
REFERENCES:
patent: 498554 (1893-05-01), Johanson
patent: 1307446 (1919-06-01), Kerr
Apairo, Jr. Jerry
Heath Derek E.
Dentsply International Inc.
Peshock Robert
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