Evidence map›Paper›PMID 39997602›Full record

ArticleJournal of functional biomaterials2025

Bisphenol A Release from Fiber-Reinforced vs. Conventional Stainless-Steel Fixed Retainers: An In Vitro Study.

Efthimia Tsoukala, Niki Maragou, Andriani-Paraskevi Antonelaki, Nikolaos Thomaidis, Iosif Sifakakis

Abstract read
In one paragraph

Article in Journal of functional biomaterials, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Efthimia TsoukalaDepartment of Orthodontics, School of Dentistry, National and Kapodistrian University of Athens, 11527 Athens, Greece.
Niki MaragouLaboratory of Analytical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimioupolis Zografou, 15771 Athens, Greece.ORCID 0000-0002-2464-5108
Andriani-Paraskevi AntonelakiLaboratory of Analytical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimioupolis Zografou, 15771 Athens, Greece.
Nikolaos ThomaidisLaboratory of Analytical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimioupolis Zografou, 15771 Athens, Greece.ORCID 0000-0002-4624-4735
Iosif SifakakisDepartment of Orthodontics, School of Dentistry, National and Kapodistrian University of Athens, 11527 Athens, Greece.ORCID 0000-0001-9686-7423

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesThe objectives of this study were to investigate in vitro BPA release from two common fiberglass fixed lingual canine-to-canine retainers and to compare these amounts with those released from a conventional multistranded stainless-steel orthodontic retainer.

methodsFifty-four recently extracted teeth were divided into groups of six teeth each, formed in an arch shape. Three different retainer types were evaluated: Ribbond, EverStick Ortho and Wildcut wire. Three identical specimens were constructed for each retainer type. BPA release was determined with validated the liquid chromatography-tandem mass spectrometry method at 1 and 24 h, as well as at 7, 14 and 30 days. The method's limits of detection and quantification were 0.32 ng/mL and 0.96 ng/mL, respectively. A two-way mixed, repeated-measures analysis of variance with Greenhouse-Geisser correction was employed to verify the existence of any significant differences.

resultsHigher levels of BPA were released from the polyethylene fiber and glass fiber retainer in comparison with the conventional retainer in the present study. The differences between the systems over time were not statistically significant at the 95% confidence level.

conclusionsIn vitro BPA release during the first month did not differ between the examined retainer types. The highest BPA concentrations were observed at 1 month.

Indexed as

bisphenol Afixed retainersglass fiberstainless-steel retainer

Identifiers

PMID39997602
PMCPMC11856908

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.