Composite Materials Flashcards
1
Q
What is the polymer in composite resin
A
the principal monomer is BIS-GMA
2
Q
This is a monomer that was added to composite resin to reduce viscosity
A
TEGDMA
3
Q
This is used to prevent the inorganic materials from falling out the material
A
silane coupling agent
4
Q
This is the photo initiator in light curing of composites
A
camphoroquinone
5
Q
At which light energy does light curing work
A
470nm; blue spectrum
6
Q
What causes gap formation at the margins of composite
A
polymerization shrinkage or improper insertion of the composite by the clinician