Custom dental impression tray

Details Custom dental impression tray Custom dental impression tray

1989-05-22

1991-04-30

Stone, Cary E.

Dentistry

Apparatus

Having static product shaping surface

433 37, A61C 900

Patent

active

050114077

ABSTRACT:
The present invention provides a custom impression dental tray having a sheet of thermosetting material. The thermosetting material is preferably polycapractone which becomes pliable at a temperature between 130.degree.-140.degree. F. but becomes rigid at the temperature of the human mouth. An optional separation layer is disposed over one side of the sheet of thermosetting material with a wax or clay-like consistency. In practice, the tray is heated to a temperature of between 115.degree.-150.degree. F. and then molded around the teeth in the patient's mouth (or the impression of the patient's mouth for denture work). After the tray has ridigified, the separation layer and wax covering are removed from the tray thus providing a space for dental impression material to allow a final impression to be made.

REFERENCES:
patent: 1763553 (1930-06-01), Dennis
patent: 2404683 (1946-07-01), Barishman
patent: 4227877 (1980-10-01), Tureaud et al.
patent: 4413979 (1983-11-01), Ginsburg
patent: 4569342 (1986-02-01), von Nostitz
patent: 4619610 (1986-10-01), Pelerin
patent: 4657509 (1987-04-01), Morris
patent: 4768951 (1988-09-01), Abiru et al.

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