ArticleEuropean oral research2026
Evaluation of microtensile bond strength to dentin and adhesive layer thickness of a new generation two-bottle universal adhesive.
Article in European oral research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed.
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Purpose: This study aimed to evaluate and compare the immediate and aged microtensile bond strengths (μTBS) and pre-aging adhesive layer thicknesses of G2-Bond Universal, a novel two-bottle universal adhesive, with those of the gold-standard two-step self-etch adhesive (Clearfil SE Bond) and one-step universal adhesive (G-Premio Bond). Materials and Methods: Thirty extracted human molars were randomly assigned to three adhesive systems (n=10 teeth per group). After standardized dentin surface preparation, adhesives were applied according to manufacturers' protocols, followed by incremental composite build-up. Specimens were sectioned to obtain rectangular prism-shaped sticks (1 mm² cross-sectional area), which were allocated to immediate and 6-month water aging subgroups (n=90each). μTBS was measured using a universal testing machine. Adhesive layer thickness was assessed on 90 pre-aging sticks via scanning electron microscopy, with measurements performed using ImageJ software. Data were analyzed using two-way ANOVA for μTBS and one-way ANOVA for adhesive thickness, followed by Tukey's HSD. Results: Aging showed no statistically significant effect on μTBS (p>0.05). Clearfil SE Bond exhibited the highest µTBS values, significantly outperforming G-Premio Bond (p<0.05), while no statistically significant difference was observed compared with G2-Bond Universal (p>0.05). G2-Bond demonstrated the thickest adhesive layer. Conclusion: The thicker adhesive layer of G2-Bond may enhance its mechanical resilience and clinical durability under functional stresses.
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