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