Evaluation of Zirconia Surfaces after Strong-Acid Etching and Its Effects on the Shear Bond Strength of Dental Resin Cement

Table 2

Materials used in the present study and their characteristics.

Material	Manufacturer	Trade name		Main composition
Zirconia block	M&C Dental Co., Seoul, Korea	Zircose-E block		ZrO2 (89.86%), Y2O3 (5.7%), HfO2 (4.29%)
Zirconia primer	Bisco Dental, Schaumberg, IL, USA	Z-prime plus		Organophosphate monomer (MDP), carboxylic acid monomer (BPDM), HEMA, ethanol
Zirconia primer	Kuraray, Okayama, Japan	Clearfil ceramic primer		3-Methacryloxypropyl trimethoxy silane, MDP, ethanol
Composite resin	3M ESPE, St. Paul, MN, USA	Filteck Z350		Bis-PMA, DUDMA, Bis-GMA, TEGDMA, ZrO2/SiO2 nanocluster, SiO2 nanofiller
Resin cement	3M ESPE, St. Paul, MN, USA	Rely-X U200		Base: fiberglass, ester, phosphoric acid, methacrylate, TEGDMA, silanated silica and persulfate, and inorganic fillers (45% wt); Catalyst: fiberglass, substitute dimethacrylate, silanated silica, sodium p-toluenesulfonate, and calcium hydroxide
Resin cement	Kuraray, Okayama, Japan	Panavia F 2.0	Paste A	BPEDMA, MDP, DMA, silica, barium, sulfate, dibenzoylperoxide
			Paste B	N,N-Diethanol-p-toluidine, silica sodium fluoride

MDP: 10-methacryloyloxydecyl dihydrogen phosphate; BPDM: biphenyl dimethacrylate; HEMA: hydroxyethyl methacrylate; Bis-PMA: propoxylated bisphenol A-dimethacrylate; DUDMA: diurethane dimethacrylate; Bis-GMA: bisphenol A-glycidyl methacrylate; TEGDMA: triethylene glycol dimethacrylate; BPEDMA: bisphenol A-polyethoxy dimethacrylate; DMA: bisphenol A-polyethoxy dimethacrylate.