Key topographic parameters driving surface adhesion of Porphyromonas gingivalis.
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
23 09 2023
23 09 2023
Historique:
received:
17
05
2023
accepted:
09
09
2023
medline:
20
11
2023
pubmed:
24
9
2023
entrez:
23
9
2023
Statut:
epublish
Résumé
Dental implant failure is primarily due to peri-implantitis, a consequence of bacterial biofilm formation. Bacterial adhesion is strongly linked to micro-/nano-topographies of a surface; thus an assessment of surface texture parameters is essential to understand bacterial adhesion. In this study, mirror polished titanium samples (Ti6Al4V) were irradiated with a femtosecond laser (fs-L) at a wavelength of 1030 nm (infrared) with variable laser parameters (laser beam polarization, number, spacing and organization of the impacts). Images of 3-D topographies were obtained by focal variation microscopy and analyzed with MountainsMap software to measure surface parameters. From bacteria associated with peri-implantitis, we selected Porphyromonas gingivalis to evaluate its adhesion on Ti6Al4V surfaces in an in vitro study. Correlations between various surface parameters and P. gingivalis adhesion were investigated. We discovered that Sa value, a common measure of surface roughness, was not sufficient in describing the complexity of these fs-L treated surfaces and their bacterial interaction. We found that Sku, density and mean depths of the furrows, were the most accurate parameters for this purpose. These results provide important information that could help anticipate the bacterial adhesive properties of a surface based on its topographic parameters, thus the development of promising laser designed biofunctional implants.
Identifiants
pubmed: 37741851
doi: 10.1038/s41598-023-42387-5
pii: 10.1038/s41598-023-42387-5
pmc: PMC10518006
doi:
Substances chimiques
titanium alloy (TiAl6V4)
12743-70-3
Titanium
D1JT611TNE
Dental Implants
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
15893Informations de copyright
© 2023. The Author(s).
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