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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.
an exploring instrument used in endodontic practice; a root canal tine.
smooth broach(smūdh brōch)
Exploring instrument used in endodontic practice; a root canal tine.