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US 8,568,897 B2Granted
Addressable matrices/cluster blanks for dental CAD/CAM systems and optimization thereof
AssigneeIvoclar Vivadent AG
InventorsRobert A. Ganley, Dmitri G. Brodkin
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Abstract
A cluster mill blank includes a framework constructed to cooperate with a blank holder of an existing CAD/CAM system, and a plurality of sub-blanks attached to the framework forming an addressable matrix or cluster blank. CAD/CAM systems including such a framework, as well as associated methods are described.
Claims19
A cluster mill blank for fabrication of dental articles comprising:
- a framework constructed to cooperate with a blank holder of a CAD/CAM system, wherein the framework comprises an inner periphery and an outer periphery;
- and
- a plurality of sub-blanks attached to the inner periphery of the framework;
- wherein the plurality of sub-blanks are attached to a detachable holder;
- wherein the detachable holder attaches to the framework;
- wherein the framework comprises a plurality of projections disposed along the inner periphery;
- wherein the detachable holder attaches to the plurality of projections;
- and
- wherein the plurality of projections are aligned in rows disposed opposite to one another, a detachable holder attached to each row of projections.
6 more elements
Dependencies are inferred from the claim text.