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Oral Microbiol Immunol. 1994 Aug;9(4):202-8.

The antimicrobial activity of essential oils and essential oil components towards oral bacteria.

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Abteilung für orale Mikrobiologie und allgemeine Immunologie, Zahnärztliches Institut der Universität Zurich, Switzerland.


A method for reproducibly determining minimal inhibitory concentrations and minimal bactericidal concentrations of plant extracts towards fastidiously and facultatively anaerobic oral bacteria, predicated upon measurements of optical densities in microtitre plate wells, was devised. The antimicrobial properties of some botanical oils were surveyed; of these, Australian tea tree oil, peppermint oil, and sage oil proved to be the most potent essential oils, whereas thymol and eugenol were potent essential oil components.

[Indexed for MEDLINE]

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