3D Pro Zir Ultra is a 4Y+5Y gradient zirconia featuring 1250 MPa flexural strength, consistent shrinkage, and a natural cervical-to-incisal color and translucency gradient. Designed for long-span restorations, it provides reliable mechanical stability and precise marginal fit for up to 14-unit all-ceramic bridges. Supports 2-hour fast sintering for single crowns and short bridges, enabling efficient in-house production.