Impression tray for dental purposes

Details Impression tray for dental purposes Impression tray for dental purposes

1975-10-31

1977-04-12

McNeill, G.E.

A61C 900

Patent

active

040166503

ABSTRACT:
In order, when taking impressions of the upper jaw and lower jaw for dental purposes, to be able to introduce the upper-jaw tray and lower-jaw tray individually into and to remove them individually from the mouth of the patient, one of the trays is formed on the bite surface with depressions against which openings in the second tray come to rest, so that the impression compound is able to penetrate through the openings into the depressions.

REFERENCES:
patent: 1496736 (1924-06-01), Passmore
patent: 2696668 (1954-12-01), Fox
patent: 3228107 (1966-01-01), Zandberg

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