The shown "Vario-GNE" allows the orthodontist planning a rapid basic maxillary expansion due to the clinical situation and necessity. It is reserved for cases with need of a different expansion of the anterior and posterior part of the maxilla.Based on the special knowledge and precision these appliance remains a special orthodontist laboratory. Furthermore because of the special application there is a highlevel price. This must be discussed with the patient or the insurance before.The "Vario-GNE" allows the solution of cases which otherwise could not be solved. Schlagwörter: Vario-GNE, GNE, GNE variabel, GNE chirurgisch unterstützt, Gaumennahterweiterung, RPE, Rapid palatal expansion, Maxillary expansion, RPE surgical assisted, 3-D CT Volume-Rendering.