Elsevier, Journal of Ethnopharmacology, 3(132), p. 564-569, 2010
DOI: 10.1016/j.jep.2010.08.051
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Existing in vitro and in vivo data suggest that khat may have a favorable effect on periodontal microbiota. The purpose of this study was to assess the effect of khat chewing on major periodontal pathogens in subgingival plaque samples from subjects with chronic periodontitis.