Dental impression tray

  • US 5,733,118 A
  • Filed: 02/12/1996
  • Issued: 03/31/1998
  • Est. Priority Date: 02/12/1996
  • Status: Expired due to Term
First Claim
Patent Images

1. A dental impression tray contoured to fit over at least a portion of a patient'"'"'s dentition, the dental impression tray comprising:

  • first and second spaced apart walls defining a receiving cavity for receiving an impression material;

    a horizontally oriented rib extending from the first wall into the receiving cavity;

    a first lip connected at one end to the rib and extending from the rib generally parallel with the first wall, wherein the first wall, the rib, and the first lip define a first channel for receiving a portion of the impression material which flows over the first lip from the receiving cavity into the first channel during an impression of the portion of the patient'"'"'s dentition such that the impression material interfits with the dental impression tray; and

    a mesh located within the receiving cavity, wherein the mesh is connected to the second wall and extends across the receiving cavity through the rib and is connected to the first wall thereby dividing the receiving cavity into multiple portions.

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