Ahmad Alawadi, Parveez Ahmed AbdulAzees, Chun‐Yen Lin, Stephan J. Haney, John P. Hanlon, Konstantina Angelara, Robert M. Taft, Bennett T. Amaechi

Application of organoselenium in inhibiting Candida albicans biofilm adhesion on 3D printed denture base material

  • General Dentistry
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AbstractPurposeDenture Stomatitis, a chronic mucosal inflammation associated with Candida albicans, is common among denture wearers. Several health conditions have been linked to chronic Candida infections. The complex, multifactorial nature of denture stomatitis requires the continuous pursuit of effective long‐term solutions. The present in vitro study investigated the effect of incorporating organoselenium into 3D‐printed denture base resin on C. albicans adhesion and biofilm formation.Materials and MethodsThirty disks were fabricated using 3D‐printed denture base resin and assigned to three experimental groups (10/group): disks without organoselenium (control), disks with 0.5% organoselenium (0.5%SE), and disks with 1% organoselenium (1%SE). Each disk was incubated with approximately 1 × 106 cells/mL of C. albicans for 48 h. Microbial viability (CFU/mL) was quantified by the spread plate method, while Confocal laser scanning microscopy and scanning electron microscope were performed for quantifying the biofilm thickness and examining biofilm morphology, respectively. Data were analyzed using One‐way ANOVA with Tukey's multiple comparisons test.ResultsCFU/mL was significantly (p < 0.05) higher in Control when compared with 0.5%SE and 1%SE, but no significant difference between 0.5%SE and 1%SE. A similar trend was observed with biofilm thickness except that there was no significant difference between the Control and 0.5%SE. There was C. albicans biofilm adhesion on the Control disks, with yeast cells and hyphae formation, whereas on 0.5%SE and 1%SE, there was inhibition of yeast cells transition to hyphae formation.ConclusionsIncorporation of organoselenium into 3D‐printed denture base resin was effective in reducing C. albicans biofilm formation and growth on denture base material.

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