P C SEAL?(Poly Carboxylate Cement )?use for fixation and lining. It forms?a chemical bond?with the tooth structure due to an?acid -base reaction
COMPOSITION:
Powder:
- Zinc oxide
- Magnesium Oxide
Liquid:
- Polyacrylic acid & water
INDICATIONS:
- Fixation of metal metallo porcelain or composite veneered inlays ,on lays .crown and bridges.
- Porcelain restorations
- Orthodontic bands
- Cavity liner
- Metal crowns
- Metal-ceramic crowns
CONTRAINDICATIONS:
- Titanium based restorations (as cement discolouration occurs)
DISADVANTAGES:
- Low pH initially
- Low resistance to erosion in acidic environment
- Short working time
There are no reviews yet.