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Influence of surface modifications to titanium on oral bacterial adhesion in vitro

Influence of surface modifications to titanium on oral bacterial adhesion in vitro The influence of surface modifications to titanium on the initial adherence of Porphyromonas gingivalis ATCC33277 and Actinobacillus actinomycetemcomitans ATCC43718 was evaluated. Surface modifications were performed with dry processes including ion implantation (Ca+, N+, F+), oxidation (anode oxidation, titania spraying), ion plating (TiN, alumina), and ion beam mixing (Ag, Sn, Zn, Pt) with Ar+ on polished pure titanium plates. Comparatively large amounts of P. gingivalis and A. actinomycetemcomitans adhered to polished titanium plates. The degree of P. gingivalis adhesion showed a positive correlation with surface energy and the amount of calcium‐ion adsorption. Adherence of both P. gingivalis and A. actinomycetemcomitans increased on calcium‐implanted surfaces compared with polished titanium surfaces, whereas adherence of P. gingivalis was remarkably decreased on alumina‐coated surfaces. These findings indicate that titanium implants exposed to the oral cavity require surface modification to inhibit the adherence of oral bacteria, and that surface modification with a dry process is useful in controlling the adhesion of oral bacteria as well as ensuring resistance against wear.© 2000 John Wiley & Sons, Inc. J Biomed Mater Res, 52, 388–394, 2000. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Biomedical Materials Research Part A Wiley

Influence of surface modifications to titanium on oral bacterial adhesion in vitro

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References (29)

Publisher
Wiley
Copyright
"Copyright © 2000 Wiley Subscription Services, Inc., A Wiley Company"
ISSN
1549-3296
eISSN
1552-4965
DOI
10.1002/1097-4636(200011)52:2<388::AID-JBM20>3.0.CO;2-E
Publisher site
See Article on Publisher Site

Abstract

The influence of surface modifications to titanium on the initial adherence of Porphyromonas gingivalis ATCC33277 and Actinobacillus actinomycetemcomitans ATCC43718 was evaluated. Surface modifications were performed with dry processes including ion implantation (Ca+, N+, F+), oxidation (anode oxidation, titania spraying), ion plating (TiN, alumina), and ion beam mixing (Ag, Sn, Zn, Pt) with Ar+ on polished pure titanium plates. Comparatively large amounts of P. gingivalis and A. actinomycetemcomitans adhered to polished titanium plates. The degree of P. gingivalis adhesion showed a positive correlation with surface energy and the amount of calcium‐ion adsorption. Adherence of both P. gingivalis and A. actinomycetemcomitans increased on calcium‐implanted surfaces compared with polished titanium surfaces, whereas adherence of P. gingivalis was remarkably decreased on alumina‐coated surfaces. These findings indicate that titanium implants exposed to the oral cavity require surface modification to inhibit the adherence of oral bacteria, and that surface modification with a dry process is useful in controlling the adhesion of oral bacteria as well as ensuring resistance against wear.© 2000 John Wiley & Sons, Inc. J Biomed Mater Res, 52, 388–394, 2000.

Journal

Journal of Biomedical Materials Research Part A – Wiley

Published: Nov 1, 2000

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