AMMDENT ZINC PHOSPHATE CEMENT

ZINC PHOSPHATE CEMENT

 

General

Zinc Phosphate cement is used for luting permanent metal restorations and as a base…..

It has low initial pH, it may couse pulpol irritation, especially where only a thin layers of dentine exist between the pulp; thus it is important to follow the correct procedures and precautions when using zinc phosphate cement.

 

Procedure

Take one clean, dry glass mixing slab or paper at room temperature (22-240C and humidity of 50±10%), a non corrosive spatula free from dust, set cement and moisture.

Ø  Powder and liquid ratio:

For use as a cement :   1.0-1.3g:0.5ml

For use as a base:         1.2-1.5g:0.5ml.

 

Mixing technique: Place powder on the slab and divide into there portions:3/6/, 2/6. Add 1/6  of powder into placed liquid and mix them, then add remaining  positions one by one and mix well till plastic consistency is obtained. The mixing time is about 90 seconds.

 

Mixing time: 1.5minutes

 

Setting time: 2.5-8minutes for cement; 2-6 minutes for base.

 

Compressive Strength: (24hours after mixing )3 70Mpa.

 

Pack Size: 30gm Powder, 15ml liquid

Expiry: 3 years  from the date of manufacturing.