Patent ID: 11864962
Assignee: JAMES R. GLIDEWELL DENTAL CERAMICS, INC.
Field: Pharmaceuticals (Chemistry)
Classification: CPC A  G | IPC A  G

Claim 0:
1. A method for making a dental restoration from a sintered ceramic preform, comprising:
obtaining a 3D CAD file of a dental restoration design and a computer model of a preform, wherein the preform comprises a preform body and a preform stem that projects from an outer surface of the preform body at a stem contact point;
nesting the dental restoration design within the computer model of the preform body by identifying at least two nesting options, wherein the location of the stem contact point relative to the dental restoration design is different for the at least two nesting options, and selecting one of the at least two nesting options;
generating machining instructions for shaping the dental restoration from the preform based on the selected nesting option; and
machining a sintered ceramic preform body into a final, posterior dental restoration crown with a single grinding tool in less than 1 hour of machining time.