Evidence map›Paper›PMID 40346748›Full record

Observational studyJournal of oral rehabilitation2025

The Effect of Implant Distribution on Functional and Patient-Reported Outcomes of Mandibular Overdentures Retained by Four Mini Implants.

Jaqueline Ferreira de Sá, Lays Noleto Nascimento, Júlia Fonseca de Moraes Sousa, Thalita Fernandes Fleury Curado, Murali Srinivasan, Gerald McKenna, Martin Schimmel, Cláudio Rodrigues Leles

Registry-linked trialAbstract readObservational Study
PubMed Full text at PMC Publisher
In one paragraph

Observational study in Journal of oral rehabilitation, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04760457 (One-piece TiZr Mini Implants With Miniaturized Carbon-based Coating Prosthetic Connection for Mandibular Overdentures), which is not on this map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing 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.

NCT04760457 nacompletednot on this map

One-piece TiZr Mini Implants With Miniaturized Carbon-based Coating Prosthetic Connection for Mandibular Overdentures: a Factorial, Randomized Clinical Trial Testing the Outcomes of Immediate/Delayed Loading and Flapped/Flapless Surgery

TypeinterventionalSponsorUniversidade Federal de GoiasRan2021 to 2022Enrolled74ConditionsEdentulous Mouth, Complete EdentulismArmsImplant placement with flapped surgery, Implant placement with flapless surgery, Implant immediate loading, Implant delayed loading
3 · Its place in the literature

Who cites it

2 citing papers in PubMed.

  1. Article
  2. 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

8 authors.

Jaqueline Ferreira de SáSchool of Dentistry, Federal University of Goias, Goiania, Goias, Brazil.
Lays Noleto NascimentoSchool of Dentistry, Federal University of Goias, Goiania, Goias, Brazil.
Júlia Fonseca de Moraes SousaSchool of Dentistry, Federal University of Goias, Goiania, Goias, Brazil.
Thalita Fernandes Fleury CuradoSchool of Dentistry, Federal University of Goias, Goiania, Goias, Brazil.ORCID https://orcid.org/0000-0003-1912-4217
Murali SrinivasanClinic of General-, Special Care- and Geriatric Dentistry, Center of Dental Medicine, University of Zurich, Zurich, Switzerland.ORCID https://orcid.org/0000-0003-3365-576X
Gerald McKennaClinic of General-, Special Care- and Geriatric Dentistry, Center of Dental Medicine, University of Zurich, Zurich, Switzerland.ORCID https://orcid.org/0000-0001-8478-1673
Martin SchimmelDepartment of Reconstructive Dentistry and Gerodontology, School of Dental Medicine, University of Bern, Bern, Switzerland.ORCID https://orcid.org/0000-0001-9700-5534
Cláudio Rodrigues LelesSchool of Dentistry, Federal University of Goias, Goiania, Goias, Brazil.ORCID https://orcid.org/0000-0002-6812-4849

Funding

International Team for Implantology
6 · The paper itself

Abstract

purposeThis study investigated the effects of implant distribution on functional and patient-reported outcomes of patients treated with a mandibular overdenture retained by four mini implants. MATERIALS AND

methodsSeventy-four participants received four titanium-zirconium mini implants in the anterior mandible, and the relative position of the implants was assessed in post-treatment computed tomography scans with three reference points in the incisal region and first molars of the overdenture. DICOM files were analysed using Blooming Artefact Reduction filters to allow the visualisation of the mini implants in their three-dimensional position without overlapping bone structures. The implant distribution parameters were the polygon area formed by the four mini implants (implant area), anterior and posterior cantilever extensions, and antero-posterior spread. Outcomes included anterior and posterior maximum voluntary bite force (MBF), masticatory performance (MP), oral health-related quality of life impacts (OHIP-Edent) and satisfaction with the overdenture. Paired t-test, Pearson's correlation test and multiple regression were used for data analysis.

resultsThe implant distribution area was the most relevant variable for all functional parameters. The larger the distribution, the better the MP (p = 0.003), and the anterior (p = 0.011) and posterior MBF (p < 0.001). Concerning patient-reported outcomes, no effect of implant distribution was observed (p > 0.05), suggesting that the potential benefit of better distribution may not affect patients' perception of the treatment.

conclusionFindings corroborate the influence of implant distribution of the four mini implants on functional parameters and, although the best implant distribution may depend highly on anatomical factors, these parameters should be considered an important prognostic factor for treatment success.

trial registrationClinicalTrials.gov: NCT04760457.

Indexed as

Dental ImplantsDental Prosthesis, Implant-SupportedDenture, Complete, LowerDenture, OverlayJaw, EdentulousMandibleAgedBite ForceFemaleHumansMaleMasticationMiddle AgedPatient Reported Outcome MeasuresPatient SatisfactionQuality of LifeDental ImplantsTitaniumZirconiumdental implantedentulous patientoverdenture

Identifiers

PMID40346748
PMCPMC12408953

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.