Preprint Article Version 2 Preserved in Portico This version is not peer-reviewed

The Impact of Different Irrigation Protocols on the Bond Strength of Self-Adhesive Composite Cement to Primed Radicular Dentin

Version 1 : Received: 11 December 2023 / Approved: 12 December 2023 / Online: 12 December 2023 (05:30:09 CET)
Version 2 : Received: 15 January 2024 / Approved: 16 January 2024 / Online: 16 January 2024 (06:37:30 CET)

How to cite: Vrebac, M.; Mohenski, D.; Klarić Sever, E.; Janković, B.; Bergman, L.; Ivanišević, A. The Impact of Different Irrigation Protocols on the Bond Strength of Self-Adhesive Composite Cement to Primed Radicular Dentin. Preprints 2023, 2023120797. https://doi.org/10.20944/preprints202312.0797.v2 Vrebac, M.; Mohenski, D.; Klarić Sever, E.; Janković, B.; Bergman, L.; Ivanišević, A. The Impact of Different Irrigation Protocols on the Bond Strength of Self-Adhesive Composite Cement to Primed Radicular Dentin. Preprints 2023, 2023120797. https://doi.org/10.20944/preprints202312.0797.v2

Abstract

The aim of the study was to examine the influence of different irrigation protocols on the shear bond strength (SBS) of self-adhesive resin composite cement (SARC) to primed radicular dentin. Radicular dentin slabs (N=58) were sectioned from extracted intact third molars, embedded in acrylate, polished, and randomly assigned to five experimental groups (N=8-12) and one control group, CG (N=8). Irrigation solutions used were sodium hypochlorite (H), ethylene-diamine-tetra acetic acid (EDTA), etidronic acid with hypochlorite (HEDP), saline solution (SS), and chlorhexi-dine (CHX). Each experimental group underwent 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, adhesive enhancing primer (AEP) and du-al-curing SARC were applied to the radicular dentin using molds corresponding to the Ultra Tester. Specimens were stored at 37°C in distilled water and fractured in shear mode after 10 days. The results were analyzed using the ANOVA statistical test and Post-hoc Games-Howell test, α=0.05. CG exhibited the highest SBS. Except for HEDP and HEDP/SS, all experimental groups showed significantly lower SBS compared to the control group (p< 0.05). HEDP seems to be ad-equate solution for root canal cleaning before dentin priming and fiber post cementation with self-adhesive resin cement. Cleaning protocols with H, EDTA and CHX cause a significant de-crease in bond strength.

Keywords

etidronic acid; root canal irrigants; self-adhesive resin cement; shear bond strength

Subject

Chemistry and Materials Science, Ceramics and Composites

Comments (1)

Comment 1
Received: 16 January 2024
Commenter: Ana Ivanišević
Commenter's Conflict of Interests: Author
Comment: We have recieved a constructive review from Materials (Basel) reviewers, and have changed the manuscript accordingly. 
the title was changed to emphasize that we used primer unlike previous studies where selfadhering composite cement was used without primer. 
Introduction was reduced, and more emphasis was given on the reason why etidronic acid was used as irrigant prior to the primer and cement application. 
Redundant scheme depicting portocol was removed and a couple of tables was removed and explained in text. 
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