Evidence map›Paper›PMID 39953742›Full record

Trial reportJournal of clinical periodontology2025

Impact of Collagen Membrane in Vertical Ridge Augmentation Using Ti-Reinforced PTFE Mesh: A Randomised Controlled Trial.

Istvan A Urban, Matteo Serroni, Debora R Dias, Zoltán Baráth, Andras Forster, Tiago G Araújo, Muhammad H A Saleh, Alessandro Cucchi, Andrea Ravidà

Registry-linked trialAbstract readRandomized Controlled TrialEquivalence Trial
In one paragraph

Trial report in Journal of clinical periodontology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04843488 (Effectiveness of Different Membrane Applications), which is not on this map. Cited by 14 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed, 2 pooled it
–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.

NCT04843488 nacompletednot on this map

Effectiveness of Different Membrane Applications (Perforated Polytetrafluroethylene (PTFE) vs. Perforated PTFE+ Collagen Membrane) in Vertical Ridge Augmentation - Randomized Clinical Trial

TypeinterventionalSponsorUrban Regeneration InstituteRan2021 to 2023Enrolled30ConditionsBone Regeneration, Dental Implants, PolytetrafluoroethyleneArmsGuided bone regeneration with a PTFE membrane, Guided bone regeneration with a PTFE+collagen membrane
3 · Its place in the literature

Who cites it

14 citing papers in PubMed, 2 syntheses or guidelines pooled it.

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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.

Istvan A UrbanGraduate Implant Dentistry, Loma Linda University, Loma Linda, California, USA.ORCID 0000-0002-9368-4047
Matteo SerroniDepartment of Periodontics and Preventive Dentistry, University of Pittsburgh School of Dental Medicine, Pittsburgh, Pennsylvania, USA.ORCID 0000-0002-2081-6651
Debora R DiasDepartment of Periodontics and Preventive Dentistry, University of Pittsburgh School of Dental Medicine, Pittsburgh, Pennsylvania, USA.ORCID 0000-0002-5387-1753
Zoltán BaráthDepartment of Periodontology, Faculty of Dentistry, University of Szeged, Szeged, Hungary.ORCID 0000-0003-0636-6313
Andras ForsterUrban Regeneration Institute, Budapest, Hungary.ORCID 0000-0002-3495-7105
Tiago G AraújoDepartment of Periodontics and Preventive Dentistry, University of Pittsburgh School of Dental Medicine, Pittsburgh, Pennsylvania, USA.
Muhammad H A SalehDepartment of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, Michigan, USA.ORCID 0000-0001-5067-7317
Alessandro CucchiPrivate Practice, Bologna, Italy.ORCID 0000-0001-5155-2807
Andrea RavidàDepartment of Periodontics and Preventive Dentistry, University of Pittsburgh School of Dental Medicine, Pittsburgh, Pennsylvania, USA.ORCID 0000-0002-3029-8130

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

aimsThis non-inferiority randomised clinical trial aimed to compare vertical bone gain (VBG), volumetric bone changes and incidence of complications after vertical ridge augmentation (VRA) using perforated titanium-reinforced dense-polytetrafluoroethylene (PTFE) mesh covered by a collagen membrane (CM) or used alone. MATERIALS AND

methodsThirty patients with vertical bone defects were randomly assigned to receive VRA with either PTFE + CM or PTFE alone. Meshes were removed after 9 months. Clinical assessments included complication rates, pseudo-periosteum type and bone density. VBG, effective regeneration rate and the need for additional augmentation were evaluated using CBCT reconstructions.

resultsNon-inferiority of PTFE alone compared with PTFE + CM was not demonstrated for absolute and relative VBG (4.5 ± 2.1 mm vs. 4.1 ± 2.7 mm, 79.2% ± 16.6% vs. 85.8% ± 10.6%, respectively), effective regeneration rates (69.3% ± 17.9% vs. 72.3% ± 16.4%, respectively) or complication rates (6.7% in both groups). A higher incidence of type 1 pseudo-periosteum was observed in the PTFE + CM group.

conclusionThe non-inferiority of PTFE alone compared with PTFE + CM for absolute VBG was not established. However, both techniques led to comparable outcomes for VBG, complication rates and bone density. The higher incidence of type 1 pseudo-periosteum and lacking bone volume in the PTFE + CM group suggests that adding a collagen membrane may help prevent soft tissue ingrowth.

trial registrationClinicaltrials.gov identification number: NCT04843488.

Indexed as

Alveolar Ridge AugmentationCollagenMembranes, ArtificialPolytetrafluoroethyleneSurgical MeshTitaniumAdultAgedBone DensityBone RegenerationCone-Beam Computed TomographyFemaleHumansMaleMiddle AgedTreatment OutcomeCollagenMembranes, ArtificialPolytetrafluoroethyleneTitaniumalveolar bone lossalveolar ridge augmentationbone regenerationcone‐beam computed tomographydental implants

Identifiers

PMID39953742
PMCPMC11949596

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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.