From: Effects of different polishing systems on the surface roughness and microhardness of a silorane-based composite
Material
Shade
Filler
Filler-size
Matrix
Filler (wt %)
Manufacturer
Filtek P90
A3
Quartz and yttrium fluoride
47 μm
Silorane (oxirane and siloxane)
76
3 M ESPE, St Paul/MN, USA