[Use of the Frankel functional regulator in Class II, div. 1].

Frankel's Fr is an activator particularly suitable in malocclusions of II/1 Class in the age of growth. Such device can be also utilized in combination with the fixed multibands therapy in such a way as to connect the effects of the morphofunctional modifications, gettable with activator during the growth of the (effects) maxillary-mandibolar set, to orthodontic ones, of the fixed equipment employed in a successive stage for the perfecting of occlusive connection. For this reason the AA. analyze the applications of Frankel's FR in the treatment of the II/1 Classe in the age of growth. The Authors present three clinical cases, the first is resolved through functional therapy with Frankel's FR, while in the second and third cases at first is made use of functional therapy with FR and afterwards is made use of multi-bands therapy according to Edgewise's technique.