A functional orthodontic appliance including a facebow as an extraoral device for treating malpositions of the jaws or teeth. The functional orthodontic appliance includes a pad holder which is fastened to a transition area of the facebow and can be individually positioned and adjusted by very simple means. Preferably, the pad holder is provided with one pair of pads or a twin plate which is/are placed inside the lower lip in the vestibule that is displaced downward. The inventive appliance makes it possible to do functional orthodontic therapy of the lower jaw with all known advantages while correcting the position of the teeth in the upper jaw.
