Patent ID: 7374420

Claim:
A packaged article comprising: an orthodontic appliance having a base for bonding the appliance to a tooth structure; a first hardenable adhesive layer and a second hardenable adhesive layer, each extending across at least a portion of the base of the appliance, wherein at least one of the first or second layers is a patterned layer, and wherein the first and second layers differ by one or more properties selected from the group consisting of chemical composition, viscosity, hydrophilicity, thickness, curing times, curing mechanisms, color, change in color upon curing, enzyme release, fluoride release, bond strengths upon curing, filler loading, filler types, and pH, and with the proviso that the first and second layers are not in contact with a release substrate; and a container at least partially surrounding the orthodontic appliance having the first and second layers thereon.