The Arrow Mill Sirio machine uses a 5-axis system which can process CoCr, titanium, zirconium, PMMA, wax, nano-composites and ceramics. It is suitable for dry and wet machining. Anatomical crowns and temporary restorations are milled with the highest precision. Simple operation of the Sirio machine is achieved by a special user-friendly software. The rotation axis is being driven by an integrated harmonic drive gearbox. System alignment is automatic.