product information
Product name: Glass ionomer cement
Specification: powder 20g, liquid 16ml
Scope of application: used in dental clinics as a base, filling and restoration
product description
This product is composed of powder and liquid.
Powder composition: quartz sand (silica), alumina, calcium fluoride, aluminum phosphate; liquid composition: polyacrylic acid aqueous solution;
Net curing time 1.5-6 minutes; when used as a bottom, the compressive strength is ≥50MPa,
The compressive strength when filling and repairing is ≥100MPa.
Scope of application
It is suitable for dentistry clinics as bottoming, filling and restoring.
Product use
1. Mix at room temperature around 20°C. The powder-to-liquid ratio is 2.0:1.0 (g) when used as the bottom; the powder-liquid ratio is 2.5:1.0 (g) when used for filling and repairing. The mixing time is within 1 minute, and the working time is about 1 minute.
2. Before making the backing, isolate the saliva from the abutment, treat and clean the tooth surface and the tissue surface that needs to be backed, disinfect and blow dry with 75% alcohol.
3. When filling and repairing, first grind clean the wedge-shaped defect of the tooth neck, expose fresh dentin, and remove the humus in the cavity; make a simple cavity, clean the surface of the tissue, disinfect and blow with 75% alcohol Dry, use a wet cotton ball to remove the excess immediately after filling in place
Cement.
4. There should be measures to cushion the bottom and protect the marrow when applying deep caries.
Precautions
1. When mixing, the powder-liquid ratio should be suitable, especially when the powder is too small, it will affect the strength of the material and other properties.
2. The cement is easier to stick to the filler during filling and molding, and the filler can be continuously wiped with alcohol cotton balls, which is more convenient for molding.
3. When it is about to solidify, it is elastic and cannot be trimmed and polished, otherwise it will affect the surface smoothness, and it can be polished after 24 hours.
4. Tighten the cap tightly after the powder and liquid are used to prevent moisture and volatilization.
