Glass Ionomers

Question 1

Give the uses of GIC along with their brand names

Answer 1

• Restorative filling material e.g. Riva, Vitremer
• Core build up prior to rest with crown e.g. Vitremer Crown Core
• Cavity lining e.g. Vitrebond , Ionoseal
• Luting cement for indirect rest e.g. Fuji Luting, Vitremer luting cement, Aquachem

Question 2

Give the components of GIC

Answer 2

Polyacrylic acid
Tartaric acid (controls setting characteristics)

Base (powder)
- Mainly silica and alumina

Question 3

What does adding strontium and lithium salts to the base of GIC do?

Answer 3

• Increase radiopacity
• Plays no part in reaction chemistry

Question 4

What does adding more silica to base of GIC do to the mix?

Answer 4

• More translucent