Multi-fluted dental irrigation drill

Details Multi-fluted dental irrigation drill Multi-fluted dental irrigation drill

A - Human Necessities

61

C

A61C 3/02 (2006.01) A61C 8/00 (2006.01)

Patent

CA 2140269

2140269 9401053 PCTABS00030 A dental drill exhibits the form of a substantially solid cylindrical body (10) having a cutting portion (13) and a gripping shank (12). The cylindrical body (10) includes a boss (16) between the cutting portion (13) and the gripping shank (12). Upon the cutting portion (13), between the boss (16) and a tip (14) of the cutting portion (13), are provided at least four axi-symmetric flutes (24) upon a lateral surface of the cutting portion. Each of the flutes (24) are substantially co-axial with the longitudinal axis of the drill. The flutes (24) are separated by substantially co-axial channels (18) having radial depths of about one-eighth of the diameter of the cylindrical body (10). Each of the channels (18) flare to a larger polar dimension at the tip (14) of the cutting portion.

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