Evidence map›Paper›PMID 35565167›Full record

ArticleInternational journal of environmental research and public health2022

Mechanical Properties of 3D Printed Orthodontic Retainers.

Marcel Firlej, Katarzyna Zaborowicz, Maciej Zaborowicz, Ewa Firlej, Ivo Domagała, Daniel Pieniak, Joanna Igielska-Kalwat, Artur Dmowski, Barbara Biedziak

Registry-linked trialOpen access · goldAbstract read
In one paragraph

Article in International journal of environmental research and public health, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT07659041 (Effectiveness, Patient Acceptance, and Cost Estimation of 3D-printed Retainer Compared to Hawley Retainer in Expansion Case), which is not on this map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
4.4field-weighted citation impact, top 4% of its field
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.

NCT07659041 nanot yet recruitingnot on this mapstarted 2026, after this paper: background citation

Effectiveness, Patient Acceptance, and Cost Estimation of 3D-printed Retainer Compared to Hawley Retainer in Expansion Case: a Randomized Controlled Trial

TypeinterventionalSponsorNational University of MalaysiaRan2026 to 2027Enrolled28ConditionsOrthodontic Relapse, Retention in OrthodonticArms3D printed retainer, Hawley retainer
3 · Its place in the literature

Who cites it

17 citing papers in PubMed, 31 citations in OpenAlex.

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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

9 authors at 3 institutions in 1 country.

Marcel FirlejDepartment of Orthodontics and Craniofacial Anomalies, Poznań University of Medical Sciences, Collegium Maius, Fredry 10, 61-701 Poznan, Poland.ORCID 0000-0002-4680-0770
Katarzyna ZaborowiczDepartment of Orthodontics and Craniofacial Anomalies, Poznań University of Medical Sciences, Collegium Maius, Fredry 10, 61-701 Poznan, Poland.
Maciej ZaborowiczDepartment of Biosystems Engineering, Poznan University of Life Sciences, Wojska Polskiego 50, 60-627 Poznan, Poland.ORCID 0000-0003-0000-6157
Ewa FirlejDepartment of Orthodontics and Craniofacial Anomalies, Poznań University of Medical Sciences, Collegium Maius, Fredry 10, 61-701 Poznan, Poland.
Ivo DomagałaDepartment of Orthodontics and Craniofacial Anomalies, Poznań University of Medical Sciences, Collegium Maius, Fredry 10, 61-701 Poznan, Poland.ORCID 0000-0002-7976-0605
Daniel PieniakFaculty of Transport and Computer Science, University of Economics and Innovations in Lublin, Projektowa 4, 20-209 Lublin, Poland.ORCID 0000-0001-7807-3515
Joanna Igielska-KalwatDepartment of Orthodontics and Craniofacial Anomalies, Poznań University of Medical Sciences, Collegium Maius, Fredry 10, 61-701 Poznan, Poland.
Artur DmowskiFaculty of Transport and Computer Science, University of Economics and Innovations in Lublin, Projektowa 4, 20-209 Lublin, Poland.
Barbara BiedziakDepartment of Orthodontics and Craniofacial Anomalies, Poznań University of Medical Sciences, Collegium Maius, Fredry 10, 61-701 Poznan, Poland.
Poznan University of Medical Sciences · PLUniversity of Economics and Innovation · PLUniversity of Life Sciences in Poznań · PL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Orthodontic retention is the final important stage of orthodontic treatment, the aim of which is to consolidate the functional and aesthetic position of teeth. Among adults, fixed retainers made of different types of wires are the most common. The aim of this study was to analyse the mechanical properties of a new generation of fixed orthodontic retainers-printed by 3D printers. MATERIALS AND

methodsThe study was conducted using samples made of Nextdent MFH C&B N1 resin in the form of cuboid bars with nominal dimensions of width b = 3 mm, thickness d = 0.8 mm; 1 mm; 1.2 mm, length l = 30 mm for each type. The influence of the thickness of the retainers on their strength under loaded conditions was evaluated. Flexural strength, elastic properties, deflection, and creep were compared. The samples were aged in an artificial saliva bath at 37 ± 1 °C during the strength tests.

resultsIt was shown that differences in the thickness of the samples affected their elastic and strength properties. The highest average flexural modulus, the highest deflection, creep, and strength was characteristic of the samples with the highest thickness (1.2 mm). Samples with an average thickness of 1 mm had the lowest modulus of elasticity.

conclusionsThe mechanical properties of 3D printed retainers show that they can be an alternative to metal retainers and the procedure of making new retainers, especially when patients have aesthetic requirements or allergies to metals.

Indexed as

Orthodontic Appliances, FixedOrthodontic RetainersAdultAgedHumansPrinting, Three-Dimensional3D printing in orthodonticsalignerCAD/CAM in orthodonticsdigital orthodonticslingual retainer

Identifiers

PMID35565167
PMCPMC9100403
OpenAlexW4229446488

What OpenQuestion holds

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Registered trials

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.