Patent ID: 7726970
Filing Date: 2010-06-01
Classification: A61C

Abstract:
1. A temporary or long-term provisional crown comprising: a shell having a top wall defining an occlusal surface, a buccal sidewall, a lingual sidewall, and opposite mesio-distal sidewalls connected to the top wall and buccal and lingual sidewalls and spaced apart to define a central cavity sized and shaped to fit passively over a prepared tooth; a quantity of resin disposed in the central cavity and shaped to conform to a prepared tooth; a partial opening arranged in each of the mesio-distal sidewalls, said partial opening configured to permit a portion of the resin to protrude mesio-distally from the cavity to contact one or more adjacent teeth, the partial opening comprising a substantially U-shaped window extending from a gingival margin towards the top wall; and a portion of resin extruded from the central cavity through each partial opening and overlying the mesio-distal sidewalls of the shell adjacent the openings.