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논문 기본 정보

자료유형
학술저널
저자정보
박충무 (동의대학교) 윤현서 (동의대학교 치위생학과)
저널정보
대한예방치과·구강보건학회 대한구강보건학회지 대한구강보건학회지 제42권 제4호
발행연도
2018.12
수록면
210 - 215 (6page)
DOI
https://doi.org/10.11149/jkaoh.2018.42.4.210

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Objectives: The main objectives of this study were to verify the antibacterial activity of two essential oils,lavender and peppermint, against dental caries and to review their synergistic effect when used in combination. Our results provide basic data for the evaluation of the use of these two substances towardsthe prevention and cure of dental caries. Methods: The sample solutions of lavender and peppermint oils were prepared in three different concentrations(30%, 50%, and 70% (v/v)) by diluting them with third-distilled water and Tween 20. Streptococcusmutans was selected as the bacterial species for testing. The disk diffusion method was used tomeasure the antibacterial activity of the sample solutions. For generating growth curves and measuringthe number of clusters of the bacterial, the liquid medium-dilution method was used; the absorbance ofthe medium was measured at 600 nm after 3, 6, 12 and 24 hours. Results: When the antibacterial activity of the oils was tested via the disk diffusion method, the activityimproved with increasing concentrations of all the sample solutions of peppermint, lavender, and theblend, but there was no significant difference between them with respect to the type of oil. In the growthcurves of S. mutans, growth inhibition was observed after 12 hours. The inhibitory effect of 30% lavenderoil on growth was 64.9% and 80.1% after 12 and 24 hours of treatment, respectively whereas thatof peppermint oil was 71.3% and 80.1% after 12 and 24 hours of treatment, respectively. The inhibitoryeffect of the blended oil was 71.9% and 81.0% after 12 and 24 hours of treatment, respectively. Conclusions: Further research is still required in order to determine the efficacy of lavender and peppermintoils, as well as other essential oils, for wider use in preventing dental caries.

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