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Table 1 Tested materials constituent information

From: Does ceramic translucency affect the degree of conversion of luting agents?

Luting agentsInorganic content fractionOrganic matrixActivation system
RelyX ARCSilane treated silica and silane treated ceramic
72 wt%
Paste A: BisGMA, TEGDMA, functionalized dimethacrylate polymer, 2-benzotriazolyl-4-methylphenol, 4-(dimethylamino)-Benzeneethanol
Paste B: TEGDMA, BisGMA, functionalized dimethacrylate polymer, 2-benzotriazolyl-4-methylphenol, benzoyl peroxide
RelyX VeneerZirconia/silica and fumed silica fillers
66 wt% (0.6 mm average filler size)
(BisGMA) and (TEGDMA) polymerPhoto-activated
Filtek Z350 XT FlowZirconia/silica cluster filler and 20 nm silica filler
65 wt%
bis-GMA, TEGDMA, and bis-EMAPhoto-activated
Filtek Z350 XTNon-agglomerated/non-aggregated 20 nm silica filler, non-agglomerated/non-aggregated 4 to 11 nm zirconia filler, and aggregated zirconia/silica cluster filler (comprised of 20 nm silica and 4 to 11 nm zirconia particles)
average cluster particle size of 0.6 to 10 microns
78.5% by weight
bis-GMA, UDMA, TEGDMA, and bis-EMAPhoto-activated
Lithium-disilicate ceramicsCrystal phase  
IPS e.max press high translucencyLithium disilicate crystals Li2Si2O5 (approx. 70%)Needle-like crystals 3 to 6 µm in length 
IPS e.max press low translucency   
IPS e.max press medium opacity   
  1. BisGMA bisphenol-A-diglycidylether dimethacrylate, TEGDMA triethylene glycol dimethacrylate, BisEMA bisphenol-polyethylene glycol dimethacrylate, UDMA urethanethyl dimethacrylate