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The influence of surface texture and wettability on initial bacterial adhesion on titanium and zirconium oxide dental implants

Overview of attention for article published in International Journal of Implant Dentistry, July 2017
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Citations

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136 Mendeley
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Title
The influence of surface texture and wettability on initial bacterial adhesion on titanium and zirconium oxide dental implants
Published in
International Journal of Implant Dentistry, July 2017
DOI 10.1186/s40729-017-0093-3
Pubmed ID
Authors

Torsten Wassmann, Stefan Kreis, Michael Behr, Ralf Buergers

Abstract

This study aims to investigate bacterial adhesion on different titanium and ceramic implant surfaces, to correlate these findings with surface roughness and surface hydrophobicity, and to define the predominant factor for bacterial adhesion for each material. Zirconia and titanium specimens with different surface textures and wettability (5.0 mm in diameter, 1.0 mm in height) were prepared. Surface roughness was measured by perthometer (R a ) and atomic force microscopy, and hydrophobicity according to contact angles by computerized image analysis. Bacterial suspensions of Streptococcus sanguinis and Staphylococcus epidermidis were incubated for 2 h at 37 °C with ten test specimens for each material group and quantified with fluorescence dye CytoX-Violet and an automated multi-detection reader. Variations in surface roughness (R a ) did not lead to any differences in adhering S. epidermidis, but higher R a resulted in increased S. sanguinis adhesion. In contrast, higher bacterial adhesion was observed on hydrophobic surfaces than on hydrophilic surfaces for S. epidermidis but not for S. sanguinis. The potential to adhere S. sanguinis was significantly higher on ceramic surfaces than on titanium surfaces; no such preference could be found for S. epidermidis. Both surface roughness and wettability may influence the adhesion properties of bacteria on biomaterials; in this context, the predominant factor is dependent on the bacterial species. Wettability was the predominant factor for S. epidermidis and surface texture for S. sanguinis. Zirconia did not show any lower bacterial colonization potential than titanium. Arithmetical mean roughness values R a (measured by stylus profilometer) are inadequate for describing surface roughness with regard to its potential influence on microbial adhesion.

Twitter Demographics

The data shown below were collected from the profile of 1 tweeter who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 136 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 136 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 23 17%
Student > Ph. D. Student 22 16%
Researcher 15 11%
Student > Bachelor 10 7%
Student > Postgraduate 10 7%
Other 21 15%
Unknown 35 26%
Readers by discipline Count As %
Engineering 26 19%
Medicine and Dentistry 22 16%
Materials Science 11 8%
Agricultural and Biological Sciences 7 5%
Biochemistry, Genetics and Molecular Biology 6 4%
Other 17 13%
Unknown 47 35%

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 27 July 2017.
All research outputs
#6,896,603
of 11,527,700 outputs
Outputs from International Journal of Implant Dentistry
#8
of 27 outputs
Outputs of similar age
#138,656
of 262,745 outputs
Outputs of similar age from International Journal of Implant Dentistry
#2
of 5 outputs
Altmetric has tracked 11,527,700 research outputs across all sources so far. This one is in the 37th percentile – i.e., 37% of other outputs scored the same or lower than it.
So far Altmetric has tracked 27 research outputs from this source. They receive a mean Attention Score of 1.5. This one scored the same or higher as 19 of them.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 262,745 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 43rd percentile – i.e., 43% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 5 others from the same source and published within six weeks on either side of this one. This one has scored higher than 3 of them.