ArticleBMC oral health2023
Surface hardness and flexural strength of dual-cured bulk-fill restorative materials after solvent storage.
Article in BMC oral health, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- In vitro evaluation of the microhardness of conventional and bulk-fill resins based on the depth of light-curing and the curing unit.Journal of clinical and experimental dentistry · 2026Review
- Mechanical Properties of Composite Core Build-Up Materials: A Comparative Study.Materials (Basel, Switzerland) · 2026Article
- Effect of 25% in-office hydrogen peroxide bleaching on flexural strength of resin-based composites: an in vitro study.BMC oral health · 2026Article
- Article
- The Effect of Aging by Storage on the Flexural Strength of Self-cured and Dual-cured Bis-acryl Resins used as Provisional Restoration Materials in Fixed Prosthodontics.Acta medica Philippina · 2026Article
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- Article
- Ion Release, Microhardness and Enamel Demineralization Resistance of New Bioactive Restorative Materials.Journal of clinical and experimental dentistry · 2025Article
- Article
Corrections and comments
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThis study aimed to evaluate the surface hardness (VHN) and biaxial flexural strength (BFS) of dual-cured bulk-fill restorative materials after solvent storage.
methodsTwo dual-cured bulk-fill composites (Surefil One® and Activa™ Bioactive), a light-cured bulk-fill composite (Filtek One Bulk-Fill) and a resin-modified glass ionomer (Fuji II LC) were investigated. Surefil One and Activa were used in the dual-cure mode, all materials were handled according to manufacturer's instructions. For VHN determination, 12 specimens were prepared from each material and measured after 1 h (baseline), 1 d, 7 d and 30 d of storage in either water or 75% ethanol-water. For BFS test, 120 specimens were prepared (n = 30/material) and stored in water for either 1, 7 or 30 d before testing. Repeated measures MANOVA, two-way and one-way ANOVA followed by the Tukey post hoc test (p ≤ 0.05) were used to analyze the data.
resultsFiltek One had the highest VHN, while Activa had the lowest. All materials exhibited a significant increase in VHN after 1d of storage in water, except for Surefil One. After 30 d of storage, VHN increased significantly in water except for Activa, while ethanol storage caused a significant time-dependent reduction in all tested materials (p ≤ 0.05). Filtek One showed the highest BFS values (p ≤ 0.05). All the materials, except for Fuji II LC, exhibited no significant differences between 1 and 30 d BFS measurements (p > 0.05).
conclusionsDual-cured materials had significantly lower VHN and BFS compared to the light-cured bulk-fill material. The low results of Activa VHN and Surefil One BFS, indicate that these materials should not be recommended in posterior stress-bearing areas.
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