Table 2. Types of resin cements with codes, and manufacturing company names.

Resin luting cement systems	Cement-silane bonding agent	Composition	Manufacturer	Lot number
Variolink N	Variolink N	Monomer matrix: Bis-GMA*, UDMAα and TEG-DMAβ	Ivoclar Vivadent, Schaan, Liechtenstein	R32733
	Base	Inorganic fillers: barium glass, ytterbium trifluoride, Ba-Al-fluorosilicate glass catalysts, stabilizers and pigments		P44912
	Monobond-S	3-MPSФ (1 wt%) water-ethanol solution containing acetic acid at pH 4 (99 wt%)		P20956
	Heliobond	Bis-GMA* (60 wt%) Triethylene glycol dymethacrylate (40 wt%)		R23145
Clearfil Esthetic Cement	Clearfil Esthetic Cement Base	BPEDMAθ, MDPλ, DMAэ, 78% fillers	Kuraray, Osaka, Japan	033AAA
	Clearfil Ceramic Primer	Phosphate monomer MDP		00019D