ArticleJournal of applied oral science : revista FOB2025
The impact of surface pre-reacted glass-ionomer nanoparticles on ion dynamics and the physio-mechanical properties of denture base resin.
Article in Journal of applied oral science : revista FOB, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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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.
The trial behind it
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Who cites it
1 citing paper in PubMed.
- Biological Effects on S-PRG: An Integrative Review.Journal of functional biomaterials · 2026Review
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectivethis study evaluated the effects of incorporating 5wt% and 10wt% surface pre-reacted glass-ionomer S-PRG nanoparticles into a polymethylmethacrylate (PMMA) resin on multiple-ion exchange rates following recharge with an S-PRG solution, flexural strength, surface roughness, and hardness. METHODOLOGY: In total, 72 disc-shaped and 32 rectangular specimens were fabricated from PMMA resin containing 0, 5, and 10% S-PRG nanoparticles, and 20% S-PRG microparticles by weight. In total, six-disc specimens per group were tested for surface roughness and hardness using a contact profilometer and the Vickers hardness test, respectively. The remaining discs were immersed in 11 ml of deionized water for 24 hours, followed by an analysis of their aluminum, boron, sodium, silicate, strontium, and fluoride concentrations. They were then recharged with a 10% S-PRG solution for 24 hours, alternating with deionized water for five cycles, before their ion levels were reanalyzed. Rectangular specimens underwent flexural strength testing via the three-point bending method. Data were analyzed using two-way repeated-measures analysis of variance with a significance level of p<0.05.
resultsPMMA resin modified with S-PRG nanoparticles released all ions except aluminum. The 10wt% nanoparticle group showed significantly higher ion release than the 5wt% nanoparticle and control groups. While the initial ion release from the 10wt% nanoparticle was comparable to the 20wt% microparticle, recharge resulted in slower ion release from nanoparticles. Incorporating S-PRG nanoparticles altered the surface characteristics and flexural strength of the resin (which remained within international standards).
conclusionIncorporating 5 and 10wt% S-PRG nanoparticles into PMMA resin facilitated the release of boron, silicate, strontium, sodium, and fluoride ions, but not of aluminum ones following recharge with an S-PRG solution and maintained compliance with standards. The 10wt% nanoparticles achieved a balance between enhanced ion release and the physio-mechanical properties required for denture base resins.
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Registered trials
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