An in vitro comparison of different adhesive strategies on the micro push-out bond strength of a glass fiber post
To evaluate in vitro the push-out bond strengths of a glass fiber post adhesively luted with self-etching resin based and self-adhesive luting cements, as well as modified application procedure of self-adhesive luting cements in combination with single step self-etch adhesives. Fifty single-rooted h...
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Veröffentlicht in: | Medicina oral, patología oral y cirugía bucal patología oral y cirugía bucal, 2011-07, Vol.16 (4), p.e626-e634 |
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Sprache: | eng |
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Zusammenfassung: | To evaluate in vitro the push-out bond strengths of a glass fiber post adhesively luted with self-etching resin based and self-adhesive luting cements, as well as modified application procedure of self-adhesive luting cements in combination with single step self-etch adhesives.
Fifty single-rooted human maxillary central incisor teeth were endodontically treated and divided into five groups (n=10). Glass fiber posts (RelyX Fiber Post) were cemented with the following materials: group 1: ED Primer II/Panavia F 2.0 (PAN); group 2: RelyX Unicem (RU); group 3: Maxcem (MC); group 4: Adper Prompt L-Pop (PLP)/RelyX Unicem; group 5: Optibond all-in-one (OB)/Maxcem. Bonded specimens were cut (1-mm-thick sections) and push-out tests were performed (crosshead-speed, 0.5 mm/min). Data were analyzed by one-way ANOVA followed by the Tukey-HSD test for post hoc comparisons at a = 0.05.
The highest bond strength was recorded for groups 4 and 2, with no statistically significant differences among them (p >0.05). Group 4 showed significantly higher bond strength than group 1 (p |
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ISSN: | 1698-6946 1698-6946 |
DOI: | 10.4317/medoral.16.e626 |