A method includes the steps of providing a disk, wherein the disk has a first side, a second side opposite the first side, and a profile, and wherein the disk includes an FDA-compliant plastic material that is configured to be formed into a dental appliance; providing a graphic part, wherein the graphic part includes: a first carrier film, and a graphic disposed on the first carrier film, providing a heat stamping press having a lower platen and an upper platen; positioning the disk on the lower platen; positioning the graphic part on the disk such that the graphic of the graphic part contacts a portion of the first side of the disk; and heat stamping the disk and the graphic part with the heat stamping press, thereby causing the graphic to fuse with the disk to produce a decorated disk.