<![CDATA[Objective: The general objective of this study was to determine the Minimum Inhibitory Concentration (MIC) and the Minimum Bactericidal Concentration (MBC) and inhibitory power of leaf extract (Moringa oliefera L.) against bacteria Aggregatibacter actinomycetemcomitans. Material and Methods : The type of research used in this research is laboratory experimental research. The design of this study is post test only control group design using the dilution and Kirby Bauer diffusion method. In this study 4 times were repeated with treatment extract concentration of 15%, 20%, 25%, 30%, 35% 100%, and positive control (Metronidazole). The measuring instrument in this study uses a caliper with millimeters (mm). Results: The results of the study of bacteria Aggregatibacter actinomycetemcomitans obtained by MIC by 30% (10.2 mm) and MBC 35% (11.02 mm). Kruskall Wallis test results showed that the value of p <0.05 so it can be concluded that there are significant differences in the inhibition zone of Aggregatibacter actinomycetemcomitans. Conclusion: The extract of leaves of Moringa (Moringa oliefera L.) were able to inhibit bacterial growth Aggregatibacter actinomycetemcomitans.]]>
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