Patent ID: 8721938

Claim:
A method for making a layered dental appliance, the method comprising: providing a dental core; providing a mold comprising a negative of an outer shape of a layered dental appliance; positioning a first slurry in the mold; pressing the dental core into the first slurry in the mold to form a first article comprising the dental core and a first layer formed from the first slurry; removing the first article from the mold; firing the first article to shrink at least a portion of the first article and form a fired first article; positioning a second slurry in the mold, wherein the mold has the same inner dimensions as when the first slurry was positioned in the mold; and pressing the fired first article into the second slurry in the mold to form a second article comprising the dental core, the first layer, and a second layer formed from the second slurry.