Effect of Fiber Post Cementation Timing on the Bond Strength of Resin Cements in Epoxy Resin-Obturated Canals.
| Autor: | Alves Berti, Luiza Salles, Pinto Pereira, Leandro Augusto, Arias Pecorari, Vanessa Galego, Botelho Amaral, Flávia Lucisano, Pedroso Turssi, Cecília, Tarkany Basting, Roberta, Gomes França, Fabiana Mantovani |
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| Předmět: |
GLASS fibers
DENTAL crown post & core technique BOND strengths DENTAL cements CURING of epoxy resins ENDODONTICS DENTAL resins SURGERY EQUIPMENT & supplies TIME DENTAL pulp cavities ANALYSIS of variance ANIMAL experimentation DENTAL bonding DENTIN SYNTHETIC gums & resins INCISORS MULTIVARIATE analysis TREATMENT effectiveness |
| Zdroj: | International Journal of Periodontics & Restorative Dentistry; Sep/Oct2018, Vol. 38 Issue 5, p711-717, 7p, 1 Color Photograph, 2 Charts, 1 Graph |
| Abstrakt: | This study evaluated the influence of timing after endodontic treatment and type of resin cement used on the bond strength of fiber posts to epoxy resin-obturated canals. A total of 80 bovine incisor roots were divided into four groups (n = 20). Glass fiber posts were cemented at two different times, immediately or 7 days after endodontic treatment, using either a dual-curing resin cement (RelyX ARC, 3M ESPE) or a self-adhesive resin cement (RelyX U200, 3M ESPE). Following post cementation, the samples were cross-sectioned into slices containing root dentin, cement, and fiber post at the cervical, mid, and apical root thirds. The push-out test was performed on a universal testing machine. Three-way analysis of variance for randomized blocks showed no significant effect within the triple interaction (P = .394) or between the double interactions cement-timing (P = .395), cement-root thirds (P = .996), and timing-root thirds (P = .331). The main factor cement revealed a significant effect, showing that regardless of the timing and root third, RelyX ARC provided significantly higher bond strength values than U200. Regardless of root third and timing, the dual-curing resin cement showed higher bond strength to root dentin when the canals were filled with epoxy resin-based cement. [ABSTRACT FROM AUTHOR] |
| Databáze: | Complementary Index |
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