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METHOD, BLANK, ASSORTMENT OF BLANKS, DENTAL DATABASE AND BLANK DATABASE COMPRISING PREFABRICATED PARTIAL END SURFACES OF PARTIAL DENTURES

  • US 20090181346A1
  • Filed: 05/08/2007
  • Published: 07/16/2009
  • Est. Priority Date: 05/08/2006
  • Status: Active Grant
First Claim
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1. The method for the production of a dental prosthetic item, comprising the provision of a 3D model of a dental prosthetic item and the selection of a suitable blank from a plurality of possible blanks, characterized in that the provision of a 3D model of the dental prosthetic item comprises the determination of an esthetically relevant designed subregion (7) of the 3D model of the dental prosthetic item (10, 30) as part of an exterior surface of said dental prosthetic item (10, 30), that a blank (1, 20) is specified from a plurality of blanks (1, 20) having a prefabricated esthetically relevant terminal subsurface (2) of a surface of the tooth, the terminal subsurface (2) of said blank being such as at least approximates the thus specified designed subregion (7), and that the 3D model of said dental prosthetic item (10, 30) is carved from the selected blank (1, 20) such that the prefabricated terminal subsurface (2) of said blank (10, 30) remains unmachined in at least a central region thereof.

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