Irani, Delia; Jungbauer, Gert; Sculean, Anton; Eick, Sigrun (2024). Effect of sodium hypochlorite gel on bacteria associated with periodontal disease. Clinical oral investigations, 28(190) Springer-Verlag 10.1007/s00784-023-05446-9
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OBJECTIVES
An adjunct in non-surgical periodontal therapy might be sodium hypochlorite (NaOCl)-based agents. The purpose of the present in vitro study was to get deeper knowledge on the influence of different parameters as time after mixing, pH, and chemical composition of an amino acid 0.475% NaOCl (AA-NaOCl) gel consisting of two components on its anti-biofilm activity.
MATERIALS AND METHODS
Six-species biofilms were cultured for 5 days, before AA-NaOCl gel was applied. In the different series, the influence of the time after mixing of the two components before application, of the concentration of NaOCl in the gel mixture, of the pH of the gel mixture, and of an exchange of the amino acid component by hyaluronic acid (HA), was analyzed.
RESULTS
Mixing time point experiments showed that the AA-NaOCl gel is capable of statistically significantly reducing colony-forming unit (cfu) counts up to 30 min after mixing, but only up to 20 min after mixing the reduction was more than 2 log10 cfu. The pH experiments indicate that a reduced pH results in a reduced activity of the NaOCl formulation. NaOCl concentrations in the formulation in the range from 0.475 to 0.2% provide adequate activity on biofilms. A HA/NaOCl gel was equally active against the biofilm as the AA-NaOCl gel.
CONCLUSION
Mixing of the components should be made in a timeframe of 20 min before applications. An optimization of the composition of the NaOCl formulation might be possible and should be a topic in further in vitro studies.
CLINICAL RELEVANCE
The AA-NaOCl gel formulation can be mixed up to 20 min before application. Further, the study indicates that the composition of the NaOCl gel formulation can be optimized.
Item Type: |
Journal Article (Original Article) |
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Division/Institute: |
04 Faculty of Medicine > School of Dental Medicine > Department of Periodontology 04 Faculty of Medicine > School of Dental Medicine |
UniBE Contributor: |
Irani, Delia Rhoda, Jungbauer, Gert, Sculean, Anton, Eick, Sigrun |
Subjects: |
600 Technology > 610 Medicine & health |
ISSN: |
1432-6981 |
Publisher: |
Springer-Verlag |
Language: |
English |
Submitter: |
Pubmed Import |
Date Deposited: |
04 Mar 2024 10:33 |
Last Modified: |
04 Mar 2024 10:43 |
Publisher DOI: |
10.1007/s00784-023-05446-9 |
PubMed ID: |
38430333 |
Uncontrolled Keywords: |
Anti-biofilm agent Hyaluronic acid Periodontal biofilm Sodium hypochlorite |
BORIS DOI: |
10.48350/193731 |
URI: |
https://boris.unibe.ch/id/eprint/193731 |
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