VHF Ivoclar PrograMill mandrel adapter for integrating Ivoclar PrograMill-compatible mandrel blanks into VHF S5 and R5 workflows. Enables processing of Ivoclar PrograMill-format blanks (including IPS e.max® CAD and Ivoclar PMMA discs) on compatible VHF machines. Extends material compatibility for laboratories working within the Ivoclar digital workflow ecosystem.