AI Article Synopsis
- The study aimed to assess how daily use of a denture cleanser affects a biofilm that contains multiple species of bacteria and Candida albicans.
- Researchers created biofilms on acrylic resin and subjected one group to a daily denture cleanser treatment while the control group received no treatment.
- Results indicated that the denture cleanser reduced overall microorganism counts but led to an increase in C. albicans, highlighting a potential issue for oral health despite the reduction of bacteria.
Article Abstract
Objective: The aim of this study was to evaluate the effect of daily exposure to a denture cleanser on a multispecies biofilm.
Materials And Methods: Multispecies biofilms (five bacteria and Candida albicans) were developed for 64.5 h on acrylic resin specimens and randomized into control and experimental groups. In the experimental group, biofilms were immersed in denture cleanser for 3 min/day for seven consecutive days. In the control group, the biofilms were developed with no treatment for the same period. Biofilms from both groups were collected after 1, 4, and 7 days and analyzed for the number of microorganisms and polysaccharide concentrations. Scanning electron microscopy (SEM) and confocal microscopy (CLSM) analyses were performed.
Results: The total microorganism counts and bacterial populations were lower in the experimental group compared to the control group for all of the periods evaluated. However, the C. albicans counts continuously increased in all of the cleanser-exposed biofilms, with abundant hyphae forms on SEM and CLSM images. The polysaccharide concentration was significantly higher in the experimental group after 7 days.
Conclusions: Daily exposure of a multispecies biofilm to a denture cleanser reduces the number of total microorganisms but favors C. albicans development.
Clinical Relevance: Daily use of denture cleanser is an effective method for controlling bacteria in biofilm, but it can potentially select C. albicans, an important etiological agent of oral candidosis.
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| http://dx.doi.org/10.1007/s00784-014-1210-9 | DOI Listing |
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