Currently, specific techniques known as “invisible” can be used in orthodontic treatments, in addition to the common traditional therapy . Besides the use of lingual devise and / or ceramic brakets, the real new frontier, which satisfies the need of many patients willing for treatement, as long as aesthetics is maintained, is represented by the use of transparent masks to be worn in a pre-determined chronological sequence and self managed by the patient himself. Invisalign and Nuvola do represent a new orthodontic treatment, carried out through transparent polymer masks, which are removable and invisible when they are worn. Those methods are particularly appreciated by adults, for the undoubtedly aesthetic value but also for the possibility of using a clincheck, i.e. a video able to show the therapeutic evolution and its final result.