The present invention relates to an assembly for making transfer apparatus for use in indirect bonding of orthodontic appliances comprising:a dentition replica including a number of replica teetha spacer material extending over at least part of the replica including at least part of the replica teeth, the spacer material having a number of cavities each located next to one of the replica teetha set of orthodontic appliances each located in a respective one of the cavities anda tray extending over the cavities and releasably connected to the spacer material.
