ArticleBMC oral health2026
In vitro comparison of pH, solubility, and radiopacity of two dual-cure resin cements.
Article in BMC oral health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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7 authors.
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Abstract
backgroundUnderstanding the properties of dual-cure resin cements is essential for ensuring clinical success. The present study compared the pH, solubility, and radiopacity of the dual-cure resin cements NX3 Nexus® and Variolink N®.
methodsThis in vitro experimental study prepared 30 standardized dual-cure resin cement discs (8 mm diameter × 1 mm thickness). Discs were equally allocated to two groups (n = 15) —NX3 Nexus® and Variolink N®— and, within each cement, randomly assigned to three subgroups for pH, solubility, and radiopacity testing (n = 5 per subgroup). The non-parametric Mann–Whitney U test was employed for comparisons of solubility and pH, while the parametric Student’s t-test was employed for radiopacity. A significance level of p < 0.05 was considered.
resultsSignificant differences were observed between NX3 Nexus and Variolink N when comparing pH (p = 0.008) and radiopacity (p = 0.026). Both resin cements showed no differences when comparing solubility (p = 0.841).
conclusionUnder the present in vitro conditions, NX3 Nexus® and Variolink N® demonstrated low solubility and comparable pH. Variolink N®’s higher radiopacity may aid radiographic detection of excess cement and marginal assessment; thus, it may be preferred when radiographic evaluation is critical, whereas either cement is appropriate otherwise.
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