Patent ID: 7303391

Claim:
A method for determining the custom shade of a porcelain crown thereof, which comprises the steps of: selecting a base shade from any standard shade guide and then using a provided over-tab or stain tab determining if a different shade is needed in the cervical portion of the crown; selecting a base shade from any standard shade guide and then using the provided over-tabs or stain tabs determining if a different shade is needed in the incisal portion of the crown; if a different shade is needed in the cervical, using the provided over-tabs or stain tabs to determine how much of the cervical needs the selected shade; if a different shade is needed in the incisal, using the provided over-tabs or stain tabs to determine how much of the incisal needs the selected shade; after determining any shade alterations in the cervical or the incisal, using the provided over-tabs or white striations tab to determine any striations needed in the crown; and if any striations are needed, using the provided over-tabs or striation tabs to determine what type of striation is desired.