Resin cementation of zirconia ceramics with different bonding agents

Figures & data

Table 1. Experimental materials and their characteristics.

Material	Composition	Manufacturer
Zirconia	ZrO3; specifications: Y2O3 4–6%, Al2O3 1%, SiO2 max. 0.02%, Fe2O3 max. 0.01%, Na2O max. 0.04%	ZirkonZahn, Bruneck, Italy
Monobond S	Ethanol, [3-(methacryloyloxy)propyl]trimethoxysilane	Ivocalar Vivadent, Schaan, Liechtenstein
Monobond Plus	Ethanol, 3-(trimethoxysilyl)propyl methacrylate, methacrylated phosphoric acid ester	Ivocalar Vivadent, Schaan, Liechtenstein
Z-PRIME Plus	BPDM, HEMA, ethanol, MDP	Bisco Inc., Schaumburg, IL
Variolink II Base	Bis-GMA, urethane dimethacrylate, triethyleneglycol dimethacrylate	Ivoclar Vivadent, Schaa, Liechtenstein
Variolink II Catalyst	Bis-GMA, urethane dimethacrylate,triethyleneglycol dimethacrylate, dibenzoyl peroxide	Ivoclar Vivadent, Schaan, Liechtenstein

Table 2. Shear bond strength test mean values.

	Mean (MPa)	Standard deviation
Control	8.52^a,b,c	1.19
Sandblasting	11.34^d,e	2.07
Sandblasting + Monobond S	12.42^a,f	0.62
Sandblasting + Monobond Plus	19.27^b,d,f,g	1.79
Sandblasting + Z-Prime Plus	15.25^c,e,g	1.20

Note. Same superscript letters indicate statistically significance.