Dentistry – Apparatus – Having static product shaping surface
Patent
1982-02-05
1983-05-10
Peshock, Robert
Dentistry
Apparatus
Having static product shaping surface
433 37, A61C 900
Patent
active
043827853
ABSTRACT:
A disposable dental impression tray is provided in its bottom with a number of inlets for injection of the impression material, preferably one inlet at each tooth. Each inlet has a connecting member, preferably defining a conical opening snugly receiving a tubular nip at the discharge end of a syringe. The syringe can thus be removably applied at any selected inlet of the tray to substantially reduce the pressure required for an accurate impression of the required area, as compared with known impression trays having only a single opening for injecting the impression material to obtain impression of several teeth, which often produces relatively poor impressions of the teeth remote from the opening. The readily detachable connection between the syringe and the tray provides for quick and convenient selective injection at the desired location. The tray is preferably produced from a generally transparent plastic material by injection molding and can thus be made as a disposable element.
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