Dental impression tray assembly and method of taking...

Details Dental impression tray assembly and method of taking... Dental impression tray assembly and method of taking...

A - Human Necessities

61

C

A61C 9/00 (2006.01)

Patent

CA 2118473

DENTAL IMPRESSION TRAY ASSEMBLY AND METHOD OF TAKING IMPRESSIONS Abstract An impression tray is provided with a dispersal member which receives impression material for delivery into the impression tray. A one-step method includes the provision of barriers on the impres- sion tray to confine light bodied impression material in the tray during the delivery of the material into the tray and the taking of the impression. A two-step method entails the direct deposit of heavy bodied impression material into the impression tray and the taking of a preliminary impression. A jig for punching the prelimi- nary impression confines the impression tray during the formation of passageways for later injected lighter impression material injected into the dispersal member and then to the impression tray. An air cylinder is controlled by an operator for selective discharge of impression material from tubular containers and into the dispersal member. A unitary impression tray is disclosed with a dispersion channel for directing impression material into place. 12

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