Katagiri, Hiroki; Stuck, Neil-Jérôme; Arakawa, Itsuka; Nietzsche, Sandor; Eick, Sigrun (2021). In vitro Activity of Oral Health Care Products on Candida Biofilm Formation. Monographs in oral science, 29, pp. 214-226. Karger 10.1159/000510194
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The activity of mouthwash ingredients used in daily oral care (chlorhexidine digluconate, benzalkonium chloride, povidone iodine solution, tea tree oil) and of nystatin was evaluated not only on planktonic Candida albicans or C. glabrata, but also on the inhibition of biofilm formation. A microbroth dilution technique was used to determine the minimum inhibitory concentration of the substances against two laboratory strains and seven clinical isolates. Furthermore, a potential inhibition of biofilm formation of C. albicans or C. glabrata (single-species biofilm or mixed with two oral bacteria) was assessed. The results showed an activity of all tested substances against all C. albicans and C. glabratastrains. In the biofilm assays, a concentration-dependent effect of the substances was visible. However, a low concentration of povidone iodine solution and in particular of benzalkonium chloride seemed to increase the virulence of C. albicans. Most test substances affected both bacteria and yeasts in the mixed biofilms, only nystatin predominately reduced the yeasts. In conclusion, nystatin might be the drug of choice when exclusively preventing the colonization of Candida sp. in biofilms. The alternatives, benzalkonium chloride, povidone iodine solution, and tea tree oil, should be investigated further.
Item Type: |
Journal Article (Original Article) |
|---|---|
Division/Institute: |
04 Faculty of Medicine > School of Dental Medicine > Periodontics Research 04 Faculty of Medicine > School of Dental Medicine > Department of Reconstructive Dentistry and Gerodontology 04 Faculty of Medicine > Department of Head Organs and Neurology (DKNS) > Clinic of Craniomaxillofacial Surgery |
UniBE Contributor: |
Katagiri, Hiroki, Arakawa, Itsuka, Eick, Sigrun |
Subjects: |
600 Technology > 610 Medicine & health |
ISSN: |
1662-3843 |
Publisher: |
Karger |
Language: |
English |
Submitter: |
Tina Lauper |
Date Deposited: |
28 Jun 2021 12:06 |
Last Modified: |
05 Dec 2022 15:51 |
Publisher DOI: |
10.1159/000510194 |
PubMed ID: |
33427221 |
BORIS DOI: |
10.48350/156960 |
URI: |
https://boris.unibe.ch/id/eprint/156960 |
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