Bright Spots: 1. Rich colors, good dyeing effect,16 kinds of basic colors and various special colors to meet customer demand maximum,easy coloring; 2. Excellent penetrability, shorter dyeing time,can quickly complete penetration of internal teeth, easy coloring; 3. Simple operation, good stability, simple and practical way of dyeing, greatly reduce the requirements to the operation of the mechanic, excellent stability and repeatability; 4. Small impact on the performance of material,as experimental testing, material strength after dyeing, properties, such as hardness change little; 5. Meet the demand of integration: supporting full denture teeth all zirconium, zirconium oxide porcelain pieces of production use withbetter dyeing effec