Resin Based Restorative Materials & Fissure Sealants Flashcards
1
Q
What are the 6 aspects of a good filling materials?
A
Hardness
Expansion
Tooth colour
Nontoxic
Working time
Setting time
2
Q
What is composite made from & its vague structure?
A
Resin matrix
Inorganic filler particles (glass/silica)
- macro/microfilled
- hybrid/nanohybrid
Coupling agent
3
Q
Is composite hydrophobic or hydrophilic??
A
Hydrophobic
4
Q
What’s the use of a bonding agent?
A
Remove the smear layer
5
Q
What’s GIC made of?
A
Resin (poly acid)
Filler
6
Q
What’s the setting reaction for GICS?
A
Poly acid + base -> polysaly + water
7
Q
Does a GIC require moisture control
A
No
8
Q
What’re the 2 types of GICs?
A
Self setting
Light curing
9
Q
What’s amalgam made from?
A
Alloy of mercury + another metal (silver, tin, copper, zinc)
