Effect of Fiber Post-Resin Matrix Composition on Bond Strength of Post-Cement Interface

Table 1

Description of fiber posts and luting cement used in this study.

Fiber post	Manufacturer and batch number used	Matrix	Curing condition of matrix	Fibers	Fillers	Size and shape
GC Everstick	StickTech Ltd., Turku, Finland	Semiinterpenetrating polymer network of PMMA and Bis-GMA	Uncured (to be cured by the clinician)	Unidirectional silane-coated E-glass fibers (61.5% by weight)	No filler	0.9 mm; Custom
FRC Postec Plus	Ivoclar Vivadent, Schaan, Liechtenstein	Dimethacrylates (ethoxylated bisphenol A dimethacrylate, Bis-GMA, and 1,4-butanediol dimethacrylate)	Cured by the manufacturers	E-glass fibers	Ytterbium fluoride	0.8–1.5 mm; Taper
Rely X Fiber post	3M ESPE, Seefeld, Germany	Epoxy-resin	Cured by the manufacturers	S-glass fibers (60–70% by weight)	Zirconia filler	0.8–1.6 mm; Double tapered
Multilink Automix luting cement	Ivoclar Vivadent, Schaan, Liechtenstein	Base		Catalyst
		(i) Ytterbium trifluoride		(i) Ytterbium trifluoride
		(ii) Ethoxylated bisphenol A dimethacrylate (Bis-EMA)		(ii) Ethoxylated bisphenol A dimethacrylate (Bis-EMA)
		(iii) Bisphenol A-glycidyl methacrylate (Bis-GMA)		(iii) urethane dimethacrylate (UDMA)
		(iv) 2-hydroxyethyl methacrylate (HEMA)		(iv) 2-hydroxyethyl methacrylate (HEMA)
		(v) 2-Dimethylaminoethyl methacrylate (DMAEMA)		(v) Dibenzoyl peroxide