CAD / CAM transparent high performance PMMA resin material. Made of 100% organic materials, it is mainly suitable for the manufacture of occlusal splints and other dental instruments. It is also mostly used for cutting models and also used for metal or metal precision. The basic die-casting application of casting mold manufacturing. The cutting is easy to cut, the filling is accurate and stable, there is no residue after it is burned out at 500 ℃; it can be expanded with cold polymer materials and can be heated Solid repair; colorless and has a very high light transmittance, a wide range of clinical applications. Diameter 98 mm.