Block Open Aizir 0M3 (18mm) is a zirconia milling block from the Aizir range, designed for compatibility with open-system CAD/CAM milling machines. Supplied in shade 0M3 and a height of 18mm, this zirconia block offers dental laboratories a reliable, precise material for producing durable, natural-looking zirconia restorations such as crowns, bridges, and frameworks.