The device must be prescribed by the orthodontist after a correct diagnosis for adequate planning of the treatment to be carried out. It must be taken into account that this device replaces the application of tweezers in the A.M.C.O.P Bio Bio-Activators. of first class. The appliance is designed with an occlusal guide suitable for different types of arch shape. For functional training of the tongue, as with the A.M.C.O.P Bio Bio-Activators, there is a button in the plantar area, at the palatal point (upper retroincisor area of the palate).

Before starting the treatment with the OPEN appliance it is necessary, through an accurate cephalometric analysis in latero-lateral projection of the skull teleradiographs, to understand the type of Open Bite that must be specifically skeletal. The specific orthodontic-orthopaedic action, provided by the appliance, occurs through an unblocking of certain craniofacial skeletal structures in anteroflexion movement with the restoration, in equilibrium, of the occlusal plane, with consequent resolution of the anterior open bite (Open Bite). The occlusal plane of the OPEN Bio-Activator is raised posteriorly and has the purpose of a specific thrust action on the posterior molars. The occlusal elevation will have a “fulcrum-like” function, which restores the occlusal plane to horizontal. The appliance has been designed with an occlusal guide suitable for different types of arch form.