Assembly constituted by a drill and a tenon for anchoring dental

Details Assembly constituted by a drill and a tenon for anchoring dental Assembly constituted by a drill and a tenon for anchoring dental

1986-09-09

1988-04-19

Peshock, Robert

Dentistry

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

Crown

433165, A61C 508

Patent

active

047386169

ABSTRACT:
In an assembly constituted by a drill and a tenon for anchoring a dental prosthesis adapted to be fixed in the root of a tooth the drill has a diameter slightly larger than that of the tenon at all points along its length. The tenon and the drill have similar meridian profiles and each is constituted by two coaxial cylindro-conical parts of large and small diameters respectively, the cylindro-conical part of small diameter comprising a cylindrical part connected to the small base of the conical frustum of the cylindro-conical part of large diameter projecting out of the root of the tooth. The tenon and the drill terminate respectively in their truncated end part of small diameter, of which the angle of taper is selected so as to ensure a wedging of the truncated end part of small diameter of the tenon in the corresponding truncated end part of the drilled hole. Futher the truncated end part of the tenon as a length shorter than that of the drill.

REFERENCES:
patent: 4283176 (1981-08-01), Vajda

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