ExtraCem
- Glass Ionomer Luting Cement.
Features:
- A radiopaque glass ionomer luting cement with prolonged working time followed by snap -set reaction. Combines excellent handling , low film thickness , high strength and contains fluoride. Excellent adhesion of porcelain , ceramic or metal to tooht structure.
Recommended Indications:
- Cementing of crowns, bridges, inlays or orthodontic brackets.
Contra-Indications:
- Pulp capping.
Applications:
- Powder: Liquid Ratio 1 Scoop : 2 Drops / 2.00g : 1.00g.
- Mixing Time 30 seconds.
- Working Time ( at 23 ± 1 ° C ) 3 minutes 30 seconds minimum.
- Setting Time ( at 37 ± 1 ° C ) 4 minutes 0 seconds minimum 1).
- Clean the preparation and restoration with oil – free pro phypaste , water and air dry. Use calsium hydroxide if remaining dentin is thin and pulp protection is required . 2).
- Place 1 level scoop of powder and 2 bubble – free drops of liquid on glass block or mixing pad and mix thoroughly with flat bladed spatula to cre amy consistency . 3).
- Spread a thin layer of cement over all inside surfaces of restoration and seat on preparation . Have patient bite down sufficiently hard on cotton ball to remove air and trim excess cement squeezed out . The set cement is tooth coloured ( U ).
