Cited by 31Dental Implant Techniques and OutcomesOral microbiology and periodontitis researchAntimicrobial Peptides and Activities

Inhibition of initial bacterial adhesion on titanium surfaces by lactoferrin coating

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Nagano-Takebe, Futami, Miyakawa, Hiroshi, Nakazawa, Futoshi, Endo, Kazuhiko·2014·Biointerphases

Abstract

Because dental implant abutments are located at transmucosal sites, their surface should inhibit bacterial accumulation to prevent peri-implantitis. The authors examined the effects of human lactoferrin (LF), an antibacterial protein present in saliva, as an antibacterial coating on the titanium surface and evaluated its effects before and after mucin-containing artificial saliva (AS) incubation. In the control group, titanium disks were soaked in distilled water, whereas in the LF group, titanium disks were soaked in LF solution to coat the disks. In the control-AS and LF-AS groups, half of the control and LF disks were incubated with AS. To confirm LF adsorption, the fluorescence intensity of fluorescein isothiocyanate-labeled LF was measured. The LF and LF-AS groups showed significantly higher intensity than the control and control-AS groups (P 0.05). The amount of adhered Streptococcus gordonii significantly increased by incubation with AS (P < 0.01) and significantly decreased by adsorption of LF (P < 0.01). There was no interaction between the two factors, LF adsorption and AS incubation (P = 0.561). These results suggest that the adsorbed LF inhibited bacterial adhesion following AS incubation. According to qualitative LIVE/DEAD analysis, viable bacteria appeared to be decreased in the presence of LF and SEM observation indicated that altered morphologies increased in LF and LF-AS groups. These results suggest that the adsorbed LF remained on the titanium surface after…

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Crossref · 10.1116/1.4867415

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Authors
Nagano-Takebe, F., Miyakawa, H., Nakazawa, F., & Endo, K.
Affiliations
  • School of Dentistry, Division of Biomaterials and Bioengineering, Health Sciences University of Hokkaido , 1757 Kanazawa, Ishikari-Tobetsu, Hokkaido 061-0293, Japan
  • Health Sciences University of Hokkaido (JP)
Venue
Biointerphases
Published
2014-03-05
Volume
9
Issue
2
Pages
029006-029006
ISSN
  • 1559-4106 (ISSN-L)
  • 1934-8630
OpenAlex
W2035777328
Cited by
31
References
42
Citations by year
2026: 1 · 2025: 2 · 2024: 2 · 2023: 1 · 2022: 4 · 2021: 3 · 2020: 4 · 2019: 2 · 2018: 4 · 2017: 2 · 2016: 3 · 2015: 3
FWCI
3.16
Type
journal article
Language
en
Open access
Locations
  • Biointerphases (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
Japan Society for the Promotion of Science (23792289)
Topics
  • Health Sciences › Dentistry › Oral Surgery › Dental Implant Techniques and Outcomes
  • Health Sciences › Dentistry › Periodontics › Oral microbiology and periodontitis research
  • Life Sciences › Immunology and Microbiology › Microbiology › Antimicrobial Peptides and Activities
Keywords
lactoferrin, titanium surfaces, implant abutments, bacterial adhesion inhibition, Streptococcus gordonii, peri-implantitis prevention, protein adsorption, bactericidal activity
MeSH terms
Adsorption, Bacterial Adhesion, Humans, Lactoferrin, Saliva, Saliva, Artificial, Surface Properties, Titanium, Dental Implants, Streptococcus gordonii

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