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ORIGINAL RESEARCH Table of Contents   
Year : 2015  |  Volume : 26  |  Issue : 5  |  Page : 462-468
Evaluation of the efficacy of a probiotic drink containing Lactobacillus casei on the levels of periodontopathic bacteria in periodontitis: A clinico-microbiologic study

1 Department of Periodontics, Vydehi Institute of Dental Sciences and Research Centre, Bengaluru, Karnataka, India
2 Department of Periodontics, The Oxford Dental College, Bengaluru, Karnataka, India

Correspondence Address:
Faizuddin Imran
Department of Periodontics, Vydehi Institute of Dental Sciences and Research Centre, Bengaluru, Karnataka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0970-9290.172033

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Background and Objectives: This study was designed to evaluate whether the oral administration of lactobacilli could change the bacterial population in subgingival plaque. Subjects and Methods: Forty-two healthy volunteers with chronic generalized mild to moderate periodontitis were given a probiotic drink containing Lactobacillus casei for 1 month. Subgingival plaque samples were collected at baseline, after which the patients were asked to consume the probiotic drink once daily for 1 month. At the 1 month interval, plaque samples were collected, and the drink discontinued. The patients were recalled at 2 months interval for collection of the final samples. The bacterial amounts in the plaque samples were analyzed by multiplex polymerase chain reaction procedure. Results: Of the three periodontopathic bacteria selected, Porphyromonas gingivalis showed highly significant reductions in the bacterial levels at 1-month and 2 months intervals. In comparison, Aggregatibacter actinomycetemcomitans, when present higher than 10 × 10 3 at baseline, and Prevotella intermedia present higher than 2 × 10 3 at baseline, showed moderately significant reduction in their numbers. Interpretation and Conclusion: Oral administration of the probiotic lactobacilli reduced the numerical sum of the three selected periodontopathic bacteria and could contribute to the beneficial effects on periodontal conditions.

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