Evidence map›Paper›PMID 29349504›Full record

ArticleClinical oral investigations2018

Oral bacterial colonization on dental implants restored with titanium or zirconia abutments: 6-month follow-up.

Alice Ramos de Freitas, Thalisson Saymo de Oliveira Silva, Ricardo Faria Ribeiro, Rubens Ferreira de Albuquerque Junior, Vinícius Pedrazzi, Cássio do Nascimento

Registry-linked trialOpen access · greenAbstract read
PubMed Publisher
In one paragraph

Article in Clinical oral investigations, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04139538 (Changes of Oral Microbiome and Immunogenity of Saliva During Orthodontic Therapy With Aligners and Multibracket Therapy - a Pilot Study), which is not on this map. Cited by 19 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed, 1 pooled it
5.5field-weighted citation impact, top 3% 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.

NCT04139538 naunknown statusnot on this mapstarted 2019, after this paper: background citation

Changes of Oral Microbiome and Immunogenity of Saliva During Orthodontic Therapy With Aligners and Multibracket Therapy - a Pilot Study

TypeinterventionalSponsorMedical University of ViennaRan2019 to 2024Enrolled40ConditionsOrthodontic Appliances, Removable, Orthodontic Appliances, Fixed, Oral Microbiome, Cell CultureArmsorthodontic treatment
3 · Its place in the literature

Who cites it

19 citing papers in PubMed, 1 synthesis or guideline pooled it, 51 citations in OpenAlex.

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  13. Succession of oral bacterial colonizers on dental implant materials: An in vitro biofilm model.Dental materials : official publication of the Academy of Dental Materials · 2022
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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

6 authors at 2 institutions in 1 country.

Alice Ramos de FreitasDepartment of Dental Materials and Prosthodontics, Faculty of Dentistry of Ribeirão Preto, University of São Paulo (USP), Av. do Café s/n, Monte Alegre, Ribeirão Preto, SP, 14040-904, Brazil.
Thalisson Saymo de Oliveira SilvaDepartment of Dental Materials and Prosthodontics, Faculty of Dentistry of Ribeirão Preto, University of São Paulo (USP), Av. do Café s/n, Monte Alegre, Ribeirão Preto, SP, 14040-904, Brazil.
Ricardo Faria RibeiroDepartment of Dental Materials and Prosthodontics, Faculty of Dentistry of Ribeirão Preto, University of São Paulo (USP), Av. do Café s/n, Monte Alegre, Ribeirão Preto, SP, 14040-904, Brazil.
Rubens Ferreira de Albuquerque JuniorDepartment of Dental Materials and Prosthodontics, Faculty of Dentistry of Ribeirão Preto, University of São Paulo (USP), Av. do Café s/n, Monte Alegre, Ribeirão Preto, SP, 14040-904, Brazil.
Vinícius PedrazziDepartment of Dental Materials and Prosthodontics, Faculty of Dentistry of Ribeirão Preto, University of São Paulo (USP), Av. do Café s/n, Monte Alegre, Ribeirão Preto, SP, 14040-904, Brazil.
Cássio do NascimentoDepartment of Dental Materials and Prosthodontics, Faculty of Dentistry of Ribeirão Preto, University of São Paulo (USP), Av. do Café s/n, Monte Alegre, Ribeirão Preto, SP, 14040-904, Brazil. cassionasc@forp.usp.br.ORCID http://orcid.org/0000-0002-2220-0148
Universidade de São Paulo · BRUniversidade de Ribeirão Preto · BR

Funding

Conselho Nacional de Desenvolvimento Científico e Tecnológico 457941/2014-6Fundação de Amparo à Pesquisa do Estado de São Paulo 2010/12830-0Fundação de Amparo à Pesquisa do Estado de São Paulo 2014/22876-8
6 · The paper itself

Abstract

objectiveThis investigation aimed to characterize in a 6-month follow-up the microbial profile of implants restored with either titanium or zirconia abutments at the genus or higher taxonomic levels.

methodsTwenty healthy individuals indicative for implant-retained single restorations were investigated. Half of participants were restored with titanium and half with zirconia abutments. Biofilm was collected from the implant-related sites after 1, 3, and 6 months of loading. The 16S rDNA genes were amplified and sequenced with Roche/454 platform.

resultsA total of 596 species were identified in 360 samples and grouped in 18 phyla and 104 genera. Titanium- or zirconia-related sites as well as teeth showed similar total numbers of operational taxonomic units (OTUs) colonizing surfaces over time. Firmicutes, Proteobacteria, Fusobacteria, Bacteroidetes, and Actinobacteria were the most prevalent phyla with significant differences between different surfaces and time point. Unclassified genera were found in lower levels (1.71% up to 9.57%) on titanium and zirconia samples when compared with teeth, with no significant differences.

conclusionTitanium- and zirconia-related surfaces are promptly colonized by a bacterial community similar to those found in the remaining adjacent teeth. Results suggest a selective adhesion of different bacterial genotypes for either titanium or zirconia surfaces. Data also indicate a significant interaction between the relative effects taxa, time point, and sampling site. CLINICAL RELEVANCE: The present study disclosed a wider spectrum of microorganisms colonizing either titanium- or zirconia-related microbiomes in very early stage of implant colonization, revealing differences and suggesting a probably specific mechanism for selective bacterial adhesion.

Indexed as

Bacterial AdhesionBiofilmsBrazilDental AbutmentsDental Implants, Single-ToothDental MaterialsFemaleGenotypeHumansMaleMicrobiotaMiddle AgedSurface PropertiesTitaniumZirconiumDental MaterialsTitaniumZirconiumzirconium oxideBacteriaBiofilmClinical outcomesDental implantsMolecular genetics

Identifiers

PMID29349504
OpenAlexW2788552938

What OpenQuestion holds

Textmetadata
Read underepoch 390

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.