Slotted tap and lentulo drill for dental post system

Details Slotted tap and lentulo drill for dental post system Slotted tap and lentulo drill for dental post system

1995-01-31

1997-09-23

Swiatek, Robert P.

Dentistry

Method or material for testing, treating, restoring, or...

Crown

433220, 433102, A61C 508, A61C 502

Patent

active

056697724

ABSTRACT:
A method and system for inserting a dental post into a tooth root canal. The method comprises the steps of cutting out a post hole in the tooth and inserting a threaded tap into the post hole for creating at least one groove along the hole. Significantly, the tap includes at least one slot defined by a pair of flexible legs and running at least a portion of the length thereof for reducing stress along the post hole during threaded insertion. Also provided is a lentulo drill comprising a spiraled wire with a reverse spiral configuration at the apical end thereof for confining cement placement in the post hole prior to insertion of the dental post.

REFERENCES:
patent: Re31948 (1985-07-01), Deutsch et al.
patent: 4457710 (1984-07-01), McSpadden
patent: 4490116 (1984-12-01), Deutsch et al.
patent: 4871313 (1989-10-01), Maillefer
patent: 5083923 (1992-01-01), McSpadden
patent: 5118294 (1992-06-01), Kurer
patent: 5236361 (1993-08-01), Mays
patent: 5275563 (1994-01-01), Cohen et al.
patent: 5348476 (1994-09-01), Cohen et al.

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