Food Ingress Shield

U.S. Patent No: 5,803,735
9/08/1998

Food Ingress Shield DiagramA method and apparatus for setting and removing a cemented, retrievable prosthodontic appliance by means of a levering instrument applied to the gap between two parallel surfaces, the first surface being a flat-topped ledge of a window on the lingual aspect of a dental prosthesis and the second surface being at least one opposed step or ledge on an artificial implant abutment. This invention combines the evenly stressed strength of a permanently cemented prosthesis with a damage free method of prosthesis removal without undue forces on the underlying implant. A conformal, removable plug of durable polymer fills and is securable within yet removable from the window in the completed restoration.

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