PMMA Multilayer Sirona B4 20mm Disc

Multilayer PMMA milling disc designed for Sirona CAD/CAM systems, featuring a natural color gradient structure that mimics tooth anatomy from translucent incisal edge to opaque dentin. Made from polymethyl methacrylate with organically modified ceramic (OMC) nanotechnology, offering flexural strength of 85-95 MPa and excellent polishability. Indicated for fabrication of temporary and provisional crowns, bridges up to 3 units, and implant provisionals with service life up to 2 years. Package contains 1 disc of 98.5mm diameter x 20mm thickness.