Zinc phosphate cement the one of the oldest and widely used cement, and is commonly used for luting permanent metal restorations and as a base. It is a high-strength cement base, mixed from zinc oxide powder and phosphoric acid liquid. Due to its low initial pH, it may cause pulpal irritation, especially where only a thin layer of dentin exists between the cement and the pulp; this is especially important to follow the correct procedures and precautions when using zinc phosphate cement.
- Zinc Oxide Powder
- Phosphoric Acid Liquid
- Thick glass slab
- Spatula (long, flexible side)
- Spoon excavator or Beavertail to remove excess cement
- Cotton rope