Mihaela Vrebac, Dora Mohenski, Eva Klarić Sevar, Bernard Janković, Lana Bergman, Ana Ivanišević
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引用次数: 0
Abstract
Objective: The objective of the study was to investigate the influence of different irrigation protocols on the shear bond strength (SBS) of self-adhesive resin cement (SARC) on primed radicular dentin.
Methods: Radicular dentin slabs (N=58) were embedded in acrylic. Subsequently, they were polished and randomly assigned to five experimental groups (N=8-12) and one control group, CG (N=8). Irrigation solutions used were 2.5% sodium hypochlorite (H), 17% ethylenediamine tetraacetic acid (EDTA), 9% etidronic acid with hypochlorite (HEDP), 0.9% saline solution (SS), and 2% chlorhexidine (CHX). Each experimental group underwent a different irrigation protocol for two minutes: 1) H/EDTA/H, 2) HEDP, 3) H/EDTA/CHX, 4) H/EDTA/SS and 5) HEDP/SS. The CG samples were not treated with any irrigation solution. After drying, the adhesive-enhancing primer (AEP) and dual-curing SARC were applied to the radicular dentin using molds corresponding to the Ultra Tester (Ultradent Products, South Jordan, USA). The specimens were stored at 37 °C in distilled water and broken after 10 days in shear mode. The results were analyzed using ANOVA and post-hoc Games-Howell test, α=0.05.
Results: CG exhibited the highest SBS. With the exception of HEDP and HEDP/SS, all experimental groups showed significantly lower SBS compared to CG (p<0.05).
Conclusions: HEDP appears to be an adequate solution for cleaning the root canal prior to dentin priming and fiber post cementation with SARC.
期刊介绍:
The Acta Stomatologica Croatica (ASCRO) is a leading scientific non-profit journal in the field of dental, oral and cranio-facial sciences during the past 44 years in Croatia. ASCRO publishes original scientific and clinical papers, preliminary communications, case reports, book reviews, letters to the editor and news. Review articles are published by invitation from the Editor-in-Chief by acclaimed professionals in distinct fields of dental medicine. All manuscripts are subjected to peer review process.