Expandable dual dental impression tray

Details Expandable dual dental impression tray Expandable dual dental impression tray

1992-11-23

1994-03-29

Wilson, John J.

Dentistry

Apparatus

Having static product shaping surface

433 42, A61C 900

Patent

active

052979601

ABSTRACT:
An adjustable dual dental impression tray for taking full mouth impressions, and in one form for quadrant impressions of upper and lower teeth simultaneously is disclosed. The tray has an interior section with spaced apart vertical walls adjoined by a mesh cloth extending horizontally between the walls. The walls of the interior section extend rearwardly. Anterior extension sections which comprise spaced apart vertical inner and outer walls which are joined by a mesh cloth extending between the inner surfaces of the walls which are joined at their anterior ends by a flexible connector. The mesh extends between the walls at approximately mid height and the interior section has horizontal slots extending through the walls and forwardly from the rear ends of the walls below the mesh at the mesh of the extensions to move forward to overlap the mesh of the anterior section. This permits the simultaneous taking of dental impressions of the upper and lower teeth.

REFERENCES:
patent: 2703452 (1955-03-01), Getz
patent: 3890711 (1975-06-01), Burns
patent: 4145812 (1979-03-01), Johnson et al.
patent: 4449927 (1984-05-01), Taylor et al.

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