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Introduction. Antiseptics are non-specific antimicrobial drugs that are widely used in dentistry. The "gold standard" in periodontology is chlorhexidine digluconate (CHG). A widespread use of CHG-containing products for daily care in medicine and dentistry and other fields leads to acquiring resistance to CHG in microorganisms. Methods. A macro method of serial dilution was used for the determination of the minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) on clinical strains of Streptococcus mutans (S. mutans) and Staphylococcus epidermidis (S. epidermidis) obtained from the patients with associated dental plaque-induced gingivitis, whereas museum strains of Escherichia coli (E. coli) ATCC25922 and Candida albicans (C. albicans) ATCC10231 were used as inoculum. Results. The MIC and MBC of CHG, cerium oxide nanoparticles (CeNPs) and the solution of the CeNPs and CHG were tested. It was found that CeNPs itself had a weak inhibitory and bactericidal effect on microorganisms. The composition of CHG and CeNPs had significantly higher MIC and MBC for clinical cultures S. mutans and S. epidermidis; museum strains of E. coli ATCC25922 and C. albicans ATCC10231 were compared with CHG alone. Conclusion. This method significantly enhanced bactericidal and bacteriostatic activity of chlorhexidine digluconate against clinical and museum strains of microorganisms. [ABSTRACT FROM AUTHOR]

The purpose of this article is to review the use of antiseptics and define the meaning of dental antiseptics in the control and elimination of microorganisms as an integral part of prevention and treatment of plaque diseases in pediatric dentistry. Also, the article describes the known characteristics and mechanism of action of some antiseptics, contributing to current indications for their use in pediatric and preventive dentistry. [ABSTRACT FROM AUTHOR]

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Copyright of Acta Medica Croatica is the property of Croatian Academy of Medical Sciences and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)