Patent ID: 7556496

Claim:
A method of making transfer apparatus for orthodontic indirect bonding comprising: providing a replica of a patient's dentition; applying a spacer material over the replica of the patient's dentition, wherein the spacer material has at least one cavity before the spacer material is applied over the replica, and wherein the at least one cavity has a shape for complementally receiving an orthodontic appliance; placing the orthodontic appliance in the at least one cavity of the spacer material in an orientation such that a base of the appliance contacts a replica tooth of the replica dentition; temporarily fixing the base of the appliance to the replica tooth of the replica; forming a tray over the spacer material; removing the tray from the spacer material; detaching the spacer material from the replica; directing a quantity of matrix material onto at least one of the tray and the replica; and placing the tray over the replica such that the matrix material is between the tray and the replica.