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US 6,663,390 B2Granted
Near net tooth shaped ceramic crown
AssigneeCenterpulse Dental Inc.
InventorsRobert L. Riley, William R. Wagner
Life of this patent
Estimating the term…
Abstract
A near net tooth shaped ceramic prosthesis is provided in a tooth shape to minimize the amount of cutting and baking required to finish the outer crown portion of the dental prosthesis. A metallic core is provided for attachment to an implant in a patient's mouth. A ceramic crown is then attached to the core.
Claims7
A dental implant prosthetic system, comprising:
- a dental implant having a central axis extending therethrough and having a coronal end and
- a plurality of prosthetic teeth, each tooth adapted to connect to the coronal end of the same implant and each tooth having a metallic core and a ceramic crown with a coronal portion and an apical portion, wherein the crown is prefabricated to have an anatomical shape and size of a natural human tooth and the plurality of prosthetic teeth are provided with ceramic crowns having a plurality of different shapes and wherein at least a single tooth is selected from the plurality of teeth and attached to the coronal end of the implant, and wherein the coronal portion is canted with respect to the central axis of the implant.
A dental implant prosthetic system, comprising:
- a dental implant having a central axis extending therethrough and having a coronal end;
- and
- a plurality of prosthetic teeth, each tooth adapted to connect to the coronal end of the same implant and each tooth having a ceramic crown and a metallic core with a top portion and a bottom portion, wherein the crown is prefabricated to have an anatomical shape and size of a natural human tooth and the plurality of prosthetic teeth are provided with ceramic crowns having a plurality of different sizes and wherein at least a single tooth is selected from the plurality of teeth and attached to the coronal end of the implant, and wherein the top portion is canted with respect to the central axis of the implant.
Dependencies are inferred from the claim text.