Method for making custom dental impression trays

Details Method for making custom dental impression trays Method for making custom dental impression trays

1981-08-19

1983-08-30

Hoag, Willard E.

Plastic and nonmetallic article shaping or treating: processes

With severing, removing material from preform mechanically,...

264 16, 264219, 264322, 264339, B29C 1702, B29C 1710

Patent

active

044016166

ABSTRACT:
A flat uniform thickness or flat sheet of thermoplastic material is heated to deformable, nonresilient, nonliquid condition, shaped over a built-up study model of the jaw ridge of a patient requiring a dental prosthesis and cooled to substantially rigid condition to form a custom dental impression tray.

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patent: 3692023 (1972-09-01), Phillips et al.
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patent: 4227877 (1980-10-01), Tureaud et al.
patent: 4235594 (1980-11-01), Schwartz
patent: 4240415 (1980-12-01), Wartman

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