An appliance for placing attachments on teeth of a patient, the appliance comprising an attachment； a support, the support comprising one or more coupling structures to hold the attachment； and an alignment structure coupled to the support to receive at least a portion of a tooth and position the attachment at a predetermined location on the tooth； wherein the one or more coupling structures extend between the support and the attachment, and wherein the one or more coupling structure are configured to release the attachment with removal of the alignment structure from the tooth.
