Patent ID: 8672677

Claim:
A dental tray for use in taking an impression of a person's teeth, comprising a first section having a longitudinal axis and a generally U-shaped outer wall; and a second section having a dome-shaped inner member sized and shaped so as to be mounted at least partially within said U-shaped wall of said first section, said U-shaped wall and said dome-shaped member being sized and shaped so as to define a trough therebetween for receiving an impression-taking material, said second section being movable relative to said first section in a first direction which is substantially parallel to said longitudinal axis of said first section, said dome-shaped member having first and second movable members movably attached to said second section, each of said first and second movable members being movable in a second direction substantially perpendicular to said longitudinal axis in response to the movement of said second section in said first direction.