broach

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Related to broaches: brooches

broach

 [brōch]
1. an elongated, tapered, and serrated cutting tool for shaping and enlarging holes.
2. barbed b.; root canal b.
barbed broach a thin, flexible, hand-operated or engine-driven endodontic instrument, usually tapered, with a series of sharply pointed barbs along the operative head; used for engaging and removing the dental pulp and other substances intact from the root canal or pulp chamber.
pathfinder broach root canal probe.
root canal broach a broach, usually barbed, used for removing the soft tissue contents of the root canal; see barbed b.
smooth broach root canal probe.

broach

(brōch),
A dental instrument for removing the pulp of a tooth or exploring the canal.

broach

(brōch) a fine barbed instrument for dressing a tooth canal or extracting the pulp.

broach

an elongated, tapering dental instrument that contains multiple projecting sharp barbs, used in removing pulpal material.

broach

(brōch)
A dental instrument for removing the pulp of a tooth or exploring the dentinal canal.

broach

(brōch)
A dental instrument for removing the pulp of a tooth or exploring the canal.
References in periodicals archive ?
2) Pine tree type broaches are used for machining of grooves to mate blades and turbine discs in the fabrication of jet engines and various turbines.
The same approach is used for one sided corner cuts and spline broaches.
Two major types of broaches are the push broach and the pull broach.
Heat-treating is essential to providing control of hardness, wear life, and quality for such tools as round broaches, pot broaches, internal spline and running gear broaches, broaching lead bars, and related wear components.
Heat treating is also necessary to stress-relieve the broaches and can be performed as many as five times during the broach manufacturing process at National Broach to ensure broach tool stability.
Other keyway broach sets, also available from stock, contain smaller or larger broaches and bushings and extend the range of keyway sizes that can be cut from 1/16" top 3/4" keyways in bores from 1/4" to 3" bore diameter.
For efficient use of machine time, we grind as many broaches as possible in the same setup.
After the start button is pushed, the machine cycles automatically until the tooth gullets in all the broaches are machined.
Both new and reground broaches are TiN coated to extend tool life.
short broaches, which produce shallow cuts, can be used in long holders by adding spacer bars to fill the gaps.