ArticleFrontiers in bioengineering and biotechnology2025
TiO
Article in Frontiers in bioengineering and biotechnology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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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.
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Authors and funding
10 authors.
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Abstract
Introduction: Soft tissue integration (STI) and antibacterial capability are critical for the long-term success of dental implants. However, achieving both simultaneously remains a major clinical challenge. This study aims to address this challenge by developing a novel surface modification strategy that combines both robust antibacterial properties and favorable soft tissue responses for dental implants. Methods: A novel nanostructured coating was fabricated by embedding hollow platinum nanorods (PtNRs) into titania nanotubes (TNTs) using atomic layer deposition (ALD). The resulting PtNR@TNT platform was characterized to confirm its stable architecture and dual biofunctionality. Structural characterizations were conducted to verify that PtNRs were uniformly deposited along the inner walls of TNTs without compromising the nanotopography or hydrophilicity. Long-term in vitro degradation studies were performed to assess Pt retention and release. The antibacterial performance of the PtNR@TNT platform was evaluated under mild near-infrared (NIR) irradiation (0.5 W cm-2, 42 °C-45 °C) against S. aureus and Results: The PtNR@TNT platform exhibited a stable structure with PtNRs uniformly distributed along the inner walls of TNTs, preserving the nanotopography and hydrophilicity. Long-term degradation studies demonstrated sustained Pt retention and minimal release of platinum (<50 μg L-1 over 12 weeks), indicating excellent safety. Under NIR irradiation, PtNR@TNT showed superior antibacterial activity, achieving over 99% bacterial reduction against Discussion: The findings from this study suggest that the PtNR@TNT platform offers a promising surface modification strategy for dental implants. It combines robust antibacterial efficacy with favorable soft tissue responses under clinically safe photothermal conditions. The dual biofunctionalities, including enhanced antibacterial performance and improved soft tissue integration, make the PtNR@TNT platform a promising candidate for advancing dental implant technology.
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Registered trials
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