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ArticleClinical oral investigations2016

Microbial adhesion on novel yttria-stabilized tetragonal zirconia (Y-TZP) implant surfaces with nitrogen-doped hydrogenated amorphous carbon (a-C:H:N) coatings.

Stefanie Schienle, Ali Al-Ahmad, Ralf Joachim Kohal, Falk Bernsmann, Erik Adolfsson, Laura Montanaro, Paola Palmero, Tobias Fürderer, Jérôme Chevalier, Elmar Hellwig and 1 more

Abstract read
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In one paragraph

Article in Clinical oral investigations, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing 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

4 citing papers in PubMed.

  1. Article
  2. Review
  3. Review
  4. Zirconia surface modifications for implant dentistry.Materials science & engineering. C, Materials for biological applications · 2019
    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

11 authors.

Stefanie SchienleDepartment of Operative Dentistry and Periodontology, Center for Dental Medicine, Albert Ludwigs University, Hugstetter Strasse 55, 79106, Freiburg, Germany.
Ali Al-AhmadDepartment of Operative Dentistry and Periodontology, Center for Dental Medicine, Albert Ludwigs University, Hugstetter Strasse 55, 79106, Freiburg, Germany.
Ralf Joachim KohalDivision of Prosthodontics, Department of Dental Medicine, Oral and Maxillofacial Surgery, Medical Center, University of Freiburg, Hugstetter Str. 55, 79106, Freiburg, Germany.
Falk BernsmannNTTF Coatings GmbH, Maarweg 32, 53619, Rheinbreitbach, Germany.
Erik AdolfssonSwerea IVF AB, Argongatan 30, 43153, Mölndal, Sweden.
Laura MontanaroPolitecnico di Torino, Department of Applied Science and Technology, INSTM RU Politecnico di Torino, LINCE Lab, Corso Duca degli Abruzzi, Turin, Italy.
Paola PalmeroPolitecnico di Torino, Department of Applied Science and Technology, INSTM RU Politecnico di Torino, LINCE Lab, Corso Duca degli Abruzzi, Turin, Italy.
Tobias FürdererDOCERAM Medical Ceramics GmbH, Hesslingsweg 65-67, 44309, Dortmund, Germany.
Jérôme ChevalierUniversité de Lyon, INSA-Lyon MATEIS UMR CNRS 5510, Bât. Blaise Pascal 7 Av. Jean Capelle, 69621, Villeurbanne, France.
Elmar HellwigDepartment of Operative Dentistry and Periodontology, Center for Dental Medicine, Albert Ludwigs University, Hugstetter Strasse 55, 79106, Freiburg, Germany.
Lamprini KarygianniDepartment of Operative Dentistry and Periodontology, Center for Dental Medicine, Albert Ludwigs University, Hugstetter Strasse 55, 79106, Freiburg, Germany. lamprini.karygianni@uniklinik-freiburg.de.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesBiomaterial surfaces are at high risk for initial microbial colonization, persistence, and concomitant infection. The rationale of this study was to assess the initial adhesion on novel implant surfaces of Enterococcus faecalis, Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, and Candida albicans upon incubation. MATERIALS AND

methodsThe tested samples were 3 mol% yttria-stabilized tetragonal zirconia polycrystal (3Y-TZP) samples with nitrogen-doped hydrogenated amorphous carbon (a-C:H:N) coating (A) and 3Y-TZP samples coated with ceria-stabilized zirconia-based (Ce-TZP) composite and a-C:H:N (B). Uncoated 3Y-TZP samples (C) and bovine enamel slabs (BES) served as controls. Once the surface was characterized, the adherent microorganisms were quantified by estimating the colony-forming units (CFUs). Microbial vitality was assessed by live/dead staining, and microbial-biomaterial surface topography was visualized by scanning electron microscopy (SEM).

resultsOverall, A and B presented the lowest CFU values for all microorganisms, while C sheltered significantly less E. faecalis, P. aeruginosa, and C. albicans than BES. Compared to the controls, B demonstrated the lowest vitality values for E. coli (54.12 %) and C. albicans (67.99 %). Interestingly, A (29.24 %) exhibited higher eradication rates for S. aureus than B (13.95 %).

conclusionsWithin the limitations of this study, a-C:H:N-coated 3Y-TZP surfaces tended to harbor less initially adherent microorganisms and selectively interfered with their vitality. CLINICAL RELEVANCE: This could enable further investigation of the new multi-functional zirconia surfaces to confirm their favorable antimicrobial properties in vivo.

Indexed as

Bacterial AdhesionAnimalsCandida albicansCarbonCattleCoated Materials, BiocompatibleDental MaterialsEnterococcus faecalisEscherichia coliMaterials TestingMicroscopy, Electron, ScanningNitrogenPseudomonas aeruginosaStaining and LabelingStaphylococcus aureusStem CellsCarbonCoated Materials, BiocompatibleDental MaterialsNitrogenyttriaYttriumZirconiumzirconium oxide3 mol% yttria-stabilized tetragonal zirconia polycrystal (3Y-TZP)Colony-forming units (CFUs)Initial microbial adhesionLive/dead stainingNitrogen-doped hydrogenated amorphous carbon (a-C:H:N)

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Registered trials

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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.