Table 1.

Resin cements’ description.

Product	Presentation	Working time / Shade	Composition
MaxCem Elite (KERR) - Kerr, Orange, CA, EUA	Syringe ( base + catalyst); Direct dispenser through self-mixing tip	2 min + 3 min gel time (based on oral temperature) / Yellow	GPDM, comonomers (mono-, di-, and tri-functional methacrylates); self-curing redox activator, photoinitiator (camphorquinone), stabilizer, fluoroaluminosilicate glass particles, silica.
Relyx U200 (3M ESPE) - 3M ESPE, St Paul, MN, EUA	Syringe ( base + catalyst); Direct dispenser through self-mixing tip	2 min – 5 min at 22ºC / A2 Universal	Base paste: silane-treated glass powder, 2-propenoic acid, 2-methyl, 1,'-[hydroxymethyl)-1,2-ethanediyl] ester, triethylene glycol dimethacrylate (TEG-DMA), silane-treated silica, fiberglass, sodium persulfate and t-butyl per-3,5,5-trimethylhexanoate. Catalyst paste: silane-treated glass powder, substituted dimethacrylate, silane-treated silica, sodium p-toluene sulfate, 1-benzyl-5-phenylbaric acid, calcium salts, 1,12-dodecane dimethacrylate, calcium hydroxide and titanium dioxide.