Abstract Title:

Modulation of the host response by probiotic Lactobacillus brevis CD2 in experimental gingivitis.

Abstract Source:

Oral Dis. 2015 Sep ;21(6):705-12. Epub 2015 Apr 20. PMID: 25720615

Abstract Author(s):

J-K Lee, S-J Kim, S-H Ko, A C Ouwehand, D S Ma

Article Affiliation:

J-K Lee


OBJECTIVE: Probiotic Lactobacillus brevisCD2 (CD2) exerts anti-inflammatory properties by preventing nitric oxide synthesis. It is hypothesized that oral application of CD2 can inhibit naturally occurring gingival inflammation.

MATERIALS AND METHODS: Thirty-four healthy adults were randomized to receive L. brevisCD2 lozenges or placebo, three times daily for 14 days. The subjects refrained from oral hygiene, the extent of which was determined at various time points.

RESULTS: In both groups, bleeding on probing scores increased continuously throughout the study except on day 3. In the placebo group, scores increased significantly from 9.50 at baseline to 14.75 and 14.81 on days 10 and 14, respectively (P<0.05). No significant change from baseline was observed in the CD2 group. However, scores were consistently higher with placebo, and significant intergroup differences were observed on day 10. Plaque and gingival indices increased from baseline in both treatment groups, but no intergroup differences were observed. Measurements of immune markers in gingival crevicular fluid revealed increased production of nitric oxide in the placebo group (P<0.05). Prostaglandin E2 production decreased over time in both groups.

CONCLUSION: Lactobacillus brevisCD2 may delay gingivitis development in this model by downregulating an inflammatory cascade.

Study Type : Human Study

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Sayer Ji
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