Patent ID: 6247925
Filing Date: 2001-06-19
Classification: A61C

Abstract:
A tray for taking a dental impression from a lower human jaw having mobile and immobile gum tissues separated at an action line, the tray being formed of a body formed as one piece witha U-shaped outer wall having an edge formed as a thickened bead;a U-shaped inner wall spaced inwardly from the outer wall and having an edge formed as a thickened bead, the walls defining a U-shaped cavity adapted to fit over the jaw with the edges projecting past the action line;a plurality of throughgoing slots on the outer wall immediately adjacent the outer-wall edge and extending generally parallel to the outer-wall edge; anda plurality of throughgoing slots on the inner wall immediately adjacent the inner-wall edge and extending generally parallel to the inner-wall edge, the tray being substantially imperforate except at the outer-wall slots and inner-wall slots.