Sintering 16 Shades Zirconia Blocks Dental Top Translucent Multi - layer Discs
 

Description:

Step1:Axial pressing

Zirconia Powder

Molding

Put the zirconia blank into a water container after Axial pressing

Step2: Cold isostatic pressing

The zirconia blank is pressed by even pressure from every direction

Test Report(by State Food & Drug Administration Medical Devices Quality Supervision and Testing Center of Peking University)

Biological Performance

Cytotoxicity test

Section4.4.1 xxx

Cytotoxicity 0 level

0 level cytotoxicity and no cell toxicity

No systemic toxicity

In observed test period, each index of the observed group is not different with that of control group, the tested sample has no systemic toxicity

Anaphylaxis test ( delayed-type hypersensitivity Test)

No allergic reaction

Test samples of hemolysis rate was 0.96%, no hemolytic effect

Variable bacterial colony quantity of test sample is not 2 times higher than that of the negative control sample, no dose-effect relationship salmonella typhimurium be induced into negative symptoms.

Oral mucosal irritation test

No Oral mucosal irritation

Stimulus index: 0the tested sample has no oral mucous membrane 

Specifications

Indications