Dental reamer

Details Dental reamer Dental reamer

1997-04-16

1999-02-23

Lucchesi, Nicholas D.

Dentistry

Apparatus

Broach

433165, A61C 502

Patent

active

058737197

ABSTRACT:
A dental reamer having one or more cutting sections and one or more spiral grooves. The dental reamer has at least one cutting edge having a cutting point, characterized in that a tangent to the cutting point tends to superimpose itself on a tangent to a diameter of a circle in which the cutting sections are inscribed, wherein the diameter passes through the cutting point. The invention provides a reaming cut that, in a surprising manner, reduces or even eliminates the spiral displacement (i.e., uncontrolled advancement of the reamer) that results from rotation of the prior-art reamers, while still maintaining an excellent reaming efficacy.

REFERENCES:
patent: 4538989 (1985-09-01), Apairo, Jr. et al.
patent: 4634378 (1987-01-01), Leonard
patent: 4836780 (1989-06-01), Buchanan
patent: 5213499 (1993-05-01), Levy
patent: 5429504 (1995-07-01), Peltier et al.

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