Patent ID: 7273370
Filing Date: 2007-09-25
Classification: A61C

Abstract:
1. A dental impression device for forming a mold for a dental prosthetic, the impression device comprising: a dental tray having: a generally U-shaped base extending between a lingual wall and a labial wall; a base portion communicating between said lingua wall and said labial wall; an outer surface; an inner surface defined by an area between said lingual wall, said bottom portion, and said labial wall, said inner surface defining a channel for receiving a patient's teeth and a moldable material; a trough formed in said base portion of said channel; apertures formed within said trough in the channel; and a conduit extending from the apertures to a port for connection to a vacuum source for drawing moldable material in the channel toward the apertures; and a dam engageable with said trough, said dam providing means to block selected apertures in said trough to limit suction of air from desired portions of the channel to draw the stationary moldable material positioned in said channel, into contact with the patient's tooth.