VHF positioning device for the Ivoclar Ivotion® Denture system, including accessory kit for R5, enabling precise CAD/CAM milling of complete denture bases from Ivotion denture blanks. Designed for the R5 automated blank changer, supporting high-accuracy positioning and milling of the Ivotion two-layer denture material. Enables full-arch prosthetic fabrication within the validated Ivotion digital denture workflow on VHF R5.