Ann Smith
The effect of residual food stain on Candida albicans colonisation of denture acrylics
Smith, Ann; Williams, David; Bradshaw, David; Milward, Paul; Al Kutubi, Sarah; Rowe, Wendy
Authors
David Williams
David Bradshaw
Paul Milward
Sarah Al Kutubi
Wendy Rowe
Abstract
Published: NA Keywords: Candida albicans dentures food stains denture-induced stomatitis A B S T R A C T Objectives: In the UK, 19% of adults wear dentures. Failure to keep a denture clean can lead to staining from foods, along with subsequent colonisation of the denture and associated mucosa by microorganisms, particularly Candida albicans. This colonisation can potentially lead to chronic erythematous candidosis and other oral infections. This study investigated the association between staining of denture acrylics by different food types and subsequent C. albicans colonisation. Materials and Methods: Chemically polymerised acrylic specimens were produced and stained for 14 days with six different combinations of food stains. The level of acrylic staining was determined spectrophotometrically. Specimens were then incubated in Sabouraud-dextrose broth (SAB) or SAB inoculated with Candida albicans. Confocal laser scanning microscopy coupled with propidium iodide staining of C. albicans was used to determine the extent of C. albicans colonisation to these acrylics. Results analysed descriptively and by one-way analysis of variance (ANOVA), one sample student t-test, and Dunnett's test. Results: Acrylics in Group 4 (stained with spices, tomato puree, acai berry juice and sunflower oil) exhibited highest staining but had low C. albicans colonisation. Highest C. albicans colonisation occurred with Group 5 (sunflower oil) stained acrylics. The unstained control acrylic group had lowest colonisation. Conclusion: This study demonstrated that staining acrylics with certain foods promoted C. albicans colonisation, but this was not associated with level of visual staining. Further research is required to determine the precise mechanism(s) by which residual food stains promote candidal colonisation on denture acrylics. This knowledge may then be used by dental professionals to advise patients on improving denture hygiene to improve not only denture aesthetics but also minimise Candida biofilms.
Journal Article Type | Article |
---|---|
Acceptance Date | May 4, 2020 |
Online Publication Date | May 29, 2020 |
Publication Date | May 29, 2020 |
Deposit Date | Aug 4, 2020 |
Publicly Available Date | Aug 5, 2020 |
Journal | Dental Oral Biology and Craniofacial Research |
Print ISSN | 2613-4950 |
Electronic ISSN | 2613-4950 |
Peer Reviewed | Peer Reviewed |
Volume | 3 |
Issue | 2 |
DOI | https://doi.org/10.31487/j.DOBCR.2020.02.06 |
Keywords | Candida albicans, dentures, food stains, denture-induced stomatitis |
Public URL | https://uwe-repository.worktribe.com/output/6003599 |
Publisher URL | https://www.sciencerepository.org/abstract?doi=10.31487/j.DOBCR.2020.02.06 |
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The Effect of Residual Food Stain on Candida Albicans Colonisation of Denture Acrylics
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Licence
http://creativecommons.org/licenses/by/4.0/
Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/
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