Zonmed Low-Transparency CAD/CAM Glass Ceramic Blocks (PRS-P-C03) | Enhanced Core-Masking Power As an essential digital restoration component integrated into the Zonmed PRS System (Platform + Resin + Stain) and the broader CAD/CAM workflow, Zonmed PRS-P-C03 blocks are specially formulated for posterior restorations, bridges, and masking discolored core structures. PRS-P-C03 offers exceptional hiding power combined with high flexural strength. Designed for efficient CAD/CAM milling and subsequent crystallization firing, these low-transparency blocks ensure reliable structural durability and a natural shade match.