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Table 1 Materials, manufactures, composition/filler weight %, and Lot #

From: The effect of radiation exposure and storage time on the degree of conversion and flexural strength of different resin composites

Materials Manufacturer Composition Lot #
Herculite™
XRV Ultra™
Kerr Italia S.r.l
Via Passanti,
Scafati (SA), Italy
Filler percentage: 78 wt%
Pre-polymerized filler (PPF),
Silica nanofillers (20–50 nm),
Barium glass (0.4 micron),
Methacrylic monomers,
Trimethylolpropane Triacrylate,
TiO, benzoyl peroxide,
4-Methoxyphenol, initiators, pigments
5679825
Filtek™
Z250 XT
3 M ESPE,
St. Paul,
MN, USA
Filler percentage: 82 wt%
Surface modified zirconia/silica
3 µm, non-Agglomerated surface
modified silica 20 nm. BIS-GMA,
UDMA, BIS-EMA,
PEGDMA and TEGDMA
N728054
Grandio Voco, Guxhaven,
GMBH–
Germany
Filler percentage: 87 wt%
Ba-Al-Borosilicate glass filler
(microfiller) 1 µm,
SiO2 (nanofiller) 20–60 nm
B-GMA, UDMA and TEGDMA
N1511068
  1. BIS-GMA: bisphenol A-glycidyl methacrylate, UDMA: Urethane dimethacrylate, BIS-EMA: Bisphenol A ethoxylate dimethacrylate, PEGDMA: Polyethylene glycol dimethacrylate, TEGDMA: Tetraethyleneglycol Dimethacrylate