Table 1 Resin cements used in the study
Product | Group | Shade | Polymerization type | Initiator system | Content | Manufacturer |
|---|---|---|---|---|---|---|
NX3 | NXLC | Clear | Light cure | Free tertiary amines and benzoyl peroxide | Uncured methacrylate ester monomers, inert mineral fillers, activators and stabilizers, and radiopaque agent glycerine, water, fumed silica and inert glass powder, gelatin | Kerr, Canada |
NX3 Dual Cure | NXLC | Clear | Dual cure | Free tertiary amines and benzoyl peroxide | HEMA, PTU, CHPO, uncured methacrylate ester monomers, titanium dioxide, and pigments | Kerr, Canada |
Rely X Veneer | RXV | Translucent | Light cure | Distinct amines react with camphorquinone | BIS GMA and TEGDMA polymer | 3 M Espe, USA |
Rely X Ultimate | RXU | Translucent | Dual cure | Distinct amines react with benzoyl peroxide (redox polymerization system) | Methacrylate monomers, radiopaque silanated fillers, initiator, stabilizer, rheological additives. Catalyst paste: methacrylate monomers, radiopaque alkaline (basic) fillers, initiator, stabilizer, pigments, rheological additives | 3 M Espe, USA |
Variolink Veneer | VRV | Value 0 | Light cure | Distinct amines react with camphorquinone | Di-methacrylates, inorganic fillers, ytterbium trifluoride, catalysts and stabilizers, pigments | Ivoclar-Vivadent, Liechtenstein |
Variolink II | VRDC | Transparent | Dual cure | Distinct amines react with benzoyl peroxide (redox polymerization system) | Barium glass, ytterbium trifluoride, Ba-Al-F silicate glass, spheroid mixed oxide (%46 v, %70 w) BIS GMA, UDMA, TEGDMA | Ivoclar-Vivadent, Liechtenstein |