Process and equipment designed for the standard preparation of t

Details Process and equipment designed for the standard preparation of t Process and equipment designed for the standard preparation of t

1981-04-24

1984-09-25

Wilson, John J.

Dentistry

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

Crown

A61C 508

Patent

active

044733542

ABSTRACT:
A groove is cut on the lateral surfaces of the tooth, at an equal distance from the gum to the sealed base of the tooth. A diaboloshaped drill is then used to shape the occlusal mass above the groove and the cervical mass below the groove. When shaping the cervical groove, a lower horizontal path is also defined which is used as a guide for the finishing drill. The rough spherical shape of the tooth is thus transformed into a roughly straight tapered trunk onto which the prosthetic crown is installed.

REFERENCES:
patent: 749624 (1904-01-01), McCullough
patent: 2723455 (1955-11-01), Oberley
patent: 2735181 (1956-02-01), Carpenter
patent: 2855673 (1958-10-01), Gruenwald
patent: 4158256 (1979-06-01), Wiland et al.
patent: 4264307 (1981-04-01), Neuwirth

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