Tooth-die dowel-pin and locking assembly and method of making a

Details Tooth-die dowel-pin and locking assembly and method of making a Tooth-die dowel-pin and locking assembly and method of making a

1987-12-11

1989-06-20

Peshock, Robert

Dentistry

Apparatus

Having gauge or guide

A61C 1900

Patent

active

048405655

ABSTRACT:
A dowel-pin for a tooth-die has two longitudinally spaced bore holes into which are inserted corresponding pins of a U-shaped locking device to form an assembly which is embedded in the base stone during the fabrication of a dental model. After trimming of the stone, the locking device is removed to permit a corresponding tooth die to be removed from the model. When the tooth die is returned to the model, the locking device is reinserted through the stone and into the bore holes of the dowel-pin, thereby locking the tooth die and dowel-pin against movement in all directions.

REFERENCES:
patent: 2851728 (1958-09-01), Spalten et al.
patent: 2851728 (1958-09-01), Spalten et al.
patent: 3413725 (1968-12-01), Stern et al.
patent: 3454256 (1969-07-01), Stern et al.
patent: 3521354 (1970-07-01), Stern et al.
patent: 3896548 (1975-07-01), Zahn
patent: 4056585 (1977-11-01), Waltke
patent: 4139943 (1979-02-01), Dragan
patent: 4457709 (1984-07-01), Moore

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