Working model for prosthodontic preparation of a tooth for insta

Details Working model for prosthodontic preparation of a tooth for insta Working model for prosthodontic preparation of a tooth for insta

1998-02-18

1999-08-10

Wilson, John J.

Dentistry

Prosthodontics

Holding or positioning denture in mouth

433173, 433214, A61C 800

Patent

active

059349069

ABSTRACT:
A method of producing a working model for preparation of a clinical crown for attachment to an implant fixture in the mouth of a patient is described in which a laboratory analog, on which the crown is mounted during preparation, is formed as an assembly including a fixed sleeve and a detachable pin and wherein the crown-receiving portion of the pin element of the assembly replicates the crown-receiving portion of the implant fixture. The analog sleeve is fixedly mounted in a base segment of the model so that the analog pin bearing a crown to be prepared threadedly connected thereto can be removed from and returned to mounted installation in the model by simple sliding movement between the pin and sleeve. Also described is the resultant working model construction and the particular analog elements which also form parts of the invention.

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