Table 2: Characteristics of composite resins.

Composite Name Composite
Type
Resin Filler Type Filler Size
(ยต)
Filler Content
(Volume)
Filler Content
(Weight)
Filtek P90 Low shrinkage
posterior restorative
Silorane Quartz, yttrium fluoride 0.1-2 55% 76%
Filtek Z250 Hybrid Bis-GMA, UDMA,
Bis-EMA,
TEGDMA
Zirconia/ Silica 0.01-3.5 60% 78%