Expandable dental impression tray

Details Expandable dental impression tray Expandable dental impression tray

1990-02-23

1991-08-20

Mancene, Gene

Dentistry

Apparatus

Having static product shaping surface

433 37, A61C 900

Patent

active

050409760

ABSTRACT:
A dental impression tray is made of thermoplastic material which may be heated in order to shape the tray to accommodate the patient's dental arch. The tray includes a channel for receiving impression material, and the channel has a folded section which may be unfolded when the tray is heated in order to increase the height, width or length of the channel. The folded section extends outwardly from the channel and provides convenient gripping structure for removing the tray from the mouth after the impression is taken.

REFERENCES:
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patent: 3654703 (1972-04-01), McAdoo
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patent: 4619610 (1986-10-01), Pelerin
patent: 4684343 (1987-08-01), Schreinemakers
patent: 4768951 (1988-09-01), Abiru et al.

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