ArticleJournal of applied oral science : revista FOB2025
Lipid nanocarrier containing eugenol for denture hygiene: evaluation of efficacy against Candida biofilms.
Article in Journal of applied oral science : revista FOB, 2025. 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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1 citing paper in PubMed.
- Lipid-Based Drug Delivery Systems as Emerging Tools to Overcome Antifungal Resistance.International journal of molecular sciences · 2026Review
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9 authors.
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Abstract
backgroundThis article is derived from Irisvaldo Lima Guedes's Master's dissertation and is available at the address: https://sigaa.ufpi.br/sigaa/public/programa/noticias_desc.jsf?lc=pt_BR&id=370¬icia=519307121 Eugenol has demonstrated efficacy against Candida spp., which is highly prevalent in denture wearers. However, the low water solubility and high volatility limit its application. The encapsulation in nanostructured lipid carriers (NLCs) may be a viable approach for developing new sanitizing agents for denture hygiene.
objectiveTo develop a sanitizing dispersion for denture hygiene using nanostructured lipid carriers (NLCs) containing eugenol and to evaluate the efficacy against Candida spp. biofilms. METHODOLOGY: The formulation was prepared using the ultrasonication method and characterized in terms of particle size (PS), polydispersity index (PDI), zeta potential (ZP), and encapsulation efficiency (EE). The minimum inhibitory concentration (MIC) was determined by the broth microdilution method and the antifungal activity was evaluated by four treatment groups (nanostructured formulation containing eugenol (NFE), free eugenol (FE), saline solution (SS), and the drug-free formulation NFW after eight hours of immersion in biofilms of two Candida species (Candida albicans and Candida glabrata) adhered to polymethyl methacrylate resin specimens.
resultsThe nanoparticles of NFE showed a particle size of 199.5±2.55 nanometers (nm) as measured by DLS, high homogeneity (0.07±0.02), an EE of 83.07±0.23, and a negative ZP (-25.86±0.65). The MICs of FE for Candida albicans and Candida glabrata were up to 10 times (64 µg/mL) and eight times (128 µg/mL) higher, respectively, than the MICs of NFE (6 µg/mL and 16 µg/mL). The biofilms of these microorganisms showed a significant reduction after immersion in NFE compared to the other tested groups (FE, NBF, and SS) (P<0.0001).
conclusionThe NFE demonstrated fungicidal activity against the isolated strains and significantly reduced Candida biofilms, thus showing promising performance for the sanitization of dentures over eight hours.
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