Effect of sodium hypochlorite on bonding performance of universal adhesives to pulp chamber dentin

The most widely utilized irrigation solution in endodontic therapy is sodium hypochlorite (NaOCl). The purpose of this study was to assess the effects of NaOCl on the bond strength of four universal adhesives and one two-step self-etch adhesive to pulp chamber dentin. One hundred sixteen extracted s...

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Bibliographic Details
Published in:Journal of dental sciences 2023-07, Vol.18 (3), p.1116-1124
Main Authors: Yuan, Yuan, Intajak, Papichaya, Islam, Rafiqul, Ting, Shihchun, Matsumoto, Mariko, Hoshika, Shuhei, Sano, Hidehiko
Format: Article
Language:English
Subjects:
Microtensile bond strength
Original
Pulp chamber dentin
Scanning electron microscopy
Sodium hypochlorite
Universal adhesive
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Summary:The most widely utilized irrigation solution in endodontic therapy is sodium hypochlorite (NaOCl). The purpose of this study was to assess the effects of NaOCl on the bond strength of four universal adhesives and one two-step self-etch adhesive to pulp chamber dentin. One hundred sixteen extracted sound human third molars were used in this study. All the teeth were divided into two groups: (1) with NaOCl treatment and (2) without NaOCl treatment. These two groups were subdivided into five bonding groups: G-Premio Bond (GP), Beautibond Xtreme (BBX), Scotchbond Universal (SBU), Clearfil Universal Bond Quick (UBQ), and Clearfil Megabond 2 (MB2). The microtensile bond strength (μTBS), the fracture mode analysis, resin-dentin interface and dentin surface were observed by SEM. Two-way ANOVA was performed to analyze the μTBS (α = 0.05). The μTBS of the NaOCl group significantly decreased for GP and MB2 (P 
ISSN:1991-7902
2213-8862
DOI:10.1016/j.jds.2022.11.007