ArticleAustralian endodontic journal : the journal of the Australian Society of Endodontology Inc2026
NIR-Activated Polydopamine Nanoparticles for Enterococcus faecalis Biofilm Eradication in Root Canal Disinfection.
Article in Australian endodontic journal : the journal of the Australian Society of Endodontology Inc, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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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Who cites it
1 citing paper in PubMed.
- Applications of Nanomaterials in Restorative Dentistry and Endodontics: A Narrative Review.Materials (Basel, Switzerland) · 2026Review
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2 authors.
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Abstract
Persistent bacterial infection remains the primary cause of root canal treatment failure, posing a significant challenge in endodontics. Enterococcus faecalis, with its ability to form biofilms and resist conventional disinfectants, is one of the most commonly isolated species in failed cases. Herein, we developed a novel polydopamine (PDA) nanoparticle-based phototherapy system activated by 808 nm near-infrared (NIR) light for enhanced root canal disinfection. The PDA + NIR group exhibited a significantly superior antibacterial effect compared to 2.5% NaOCl, achieving a bactericidal rate of 97.87%. SEM and TEM observations revealed that PDA + NIR treatment caused complete bacterial cell disintegration and ultrastructural destruction, whereas 2.5% NaOCl only induced partial surface damage. Furthermore, PDA + NIR effectively eradicated mature E. faecalis biofilms in simulated root canal models. These findings demonstrate that PDA-mediated NIR phototherapy possesses powerful bactericidal and antibiofilm capabilities. This nanotechnology-based approach may offer a promising alternative strategy for clinical root canal disinfection.
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