Frequently, patients treated with fixed multibracket orthodontics do not wear the prescribed retainers correctly.

Recurrences are the greatest demoralisation for the patient who can no longer see his teeth aligned and for the orthodontist who, having not been followed in his instructions, must necessarily repair the damage of the re-proposed update.

Among the many ways, it is possible to use 2D lingual attachments that, by means of an indirect application system, previously designed by the Orthofan lab, can realign the lower frontal group in a completely invisible manner.