ZnCl₂ Incorporated into Experimental Adhesives: Selected Physicochemical Properties and Resin-Dentin Bonding Stability

Table 1

Composition and mode of application of the adhesives.

Adhesives	ZnCl2 (wt.%)	Composition (wt.%)	Mode of application
Zn0 (control)	0	BisGMA (20%), HEMA (20%), UDMA (10%), ethanol (30%), water (4%), GDMA (15%), Camphorquinone (0.5%), EDMAB (0.5%)	Two consecutive layers were applied by means of a microbrush with an active mode on the dentin. The surface was gently air-dried and light cured for 20 s
Zn2	2
Zn3.5	3.5
Zn5	5
SB	0	BisGMA (10–20%), HEMA (5–15%), ethanol (25–30%), water (<5%), GDMA (5–10%), UDMA (1–5%) copolymer of acrylic and itaconic acids, silane treated silica (nanofilled–10–20%) diphenyliodonium hexafluorophosphate (<0.5%), EDMAB (<0.5%)

HEMA: 2-hydroxyethyl methacrylate; GDMA: glycerol 1,3-dimethacrylate; BisGMA: bisphenol A diglycidyl ether dimethacrylate; UDMA: diurethane dimethacrylate; EDMAB: ethyl 4-dimethyl aminobenzoate.