Patent ID: 7771195

Claim:
A method for producing a dental positioning appliance which is removably attachable to at least one tooth to effect or enhance dental positioning, said method comprising: providing a digital model of an attachment device and a digital model of a tooth, the digital model of the attachment device having adjustable portions extending through at least two surfaces of the digital model of the tooth, wherein the at least two surfaces of the digital model of the tooth correspond to at least a buccal surface and a lingual surface of the at least one tooth; providing a mold produced based on the digital models of the attachment device and the tooth wherein the mold includes a molded tooth having an attachment device mounted or formed thereon, the attachment device on the mold having a fixed spatial or planar relationship between at least two surfaces of the molded tooth; forming the dental positioning appliance over the mold; and removing the dental positioning appliance from the mold, wherein the dental positioning appliance has: at least two receptacles corresponding to the attachment device on the mold, the at least two receptacles formed to receive the attachment device on the mold when the attachment device on the mold is attached to the molded tooth and; a tooth receiving cavity corresponding to the molded tooth.