The orthodontics is the one branch in dentistry that seeks the care of these abnormal relations between the dental arches and anatomical structures related to them. In our studies we deal with orthodontics interceptive using mobile orthodontic equipment.With these devices act on malocclusion into this process, we propose to restore a normal feature and change the course of dental abnormal.In more advanced stages use fixed equipment multibrackets and multiband. At the end of treatment orthodontic follows a period of restraint to prevent relapses in order to achieve stabilization of the result achieved.