3D printing revolutionizes orthodontic appliance creation, producing customized braces and appliances with unmatched precision for faster, accurate orthodontic outcomes. The efficiency of 3D printing significantly cuts patient waiting times, crafting appliances in hours instead of weeks. This article reviews the appliances that can utilize 3D printing such as diagnostic models, removable appliances, pre-surgical nasoalveolar moldings, occlusal splints, space maintainers, expansion devices, customized brackets, indirect bonding trays (IDT) and retainers. This emergent 3D technology has had a transformative effect on the field of orthodontics but still has challenges and considerations in its application.