Patent ID: 7846357

Claim:
A method for forming a product for the production of a dental prosthesis, the method comprising: providing the product comprising a first unit made of a first material and a second unit made of a second material that is different than the first material, the first unit being at least partially enclosed by the second unit and secured to an inner surface of the second unit with a joining material; and removing a portion of the product from two directions to form a silhouette at a transition between the first and second units, the silhouette defining an outer silhouette surface that faces an inner silhouette surface and sections that extend between the inner and outer silhouette surfaces to secure the first unit to the second unit, wherein said sections comprise the joining material and the second material, wherein removing a portion of the product from two opposite directions to form a silhouette at a transition between the first and second units includes subjecting the first material of the first unit and the second material of the second unit to silhouetting, and wherein at least a portion of the first material and the second material are removed during silhouetting.