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KMID : 1044820210510030199
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Journal of Periodontal & Implant Science
2021 Volume.51 No. 3 p.199 ~ p.212
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Localized probiotic-guided pocket recolonization in the treatment of chronic periodontitis: a randomized controlled clinical trial
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Kumar Vikram
Singhal Rameshwari
Rastogi Pavitra
Lal Nand
Pandey Shivani
Mahdi Abbas Ali
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Abstract
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Purpose: This randomized clinical placebo-controlled trial was conducted to evaluate the effectiveness of Lactobacillus reuteri as a probiotic in guided pocket recolonization (GPR) for the treatment of chronic periodontitis (CP) adjunctive to scaling and root planing (SRP).
Methods: Forty-eight CP patients were randomly assigned to 3 treatment groups: group 1 (SRP+placebo), group 2 (SRP+single application of probiotic), and group 3 (SRP+incremental application of probiotic). Clinical parameters were evaluated at baseline and at 8, 12, and 24 weeks, whereas biochemical parameters were measured at baseline and 12 weeks.
Results: At 24 weeks, the probing pocket depth and clinical attachment level improved in all 3 groups from baseline with no significant intergroup differences; however, a statistically significant difference was observed in localized plaque and gingival scores between groups 1 and 3 (P<0.05). At 12 weeks, matrix metalloproteinase-8 (MMP-8), nitric oxide (NO), and gingipains-R (Rgps) levels improved in all 3 groups, with statistically significant differences between groups 1 and 3 for MMP-8 and NO (P<0.05), but no difference for Rgps levels.
Conclusions: Within its limitations, the results of this study show that incremental 3-time application of L. reuteri as a probiotic led to improvements in clinical and biochemical parameters. This protocol can be a useful adjunct to SRP in the non-surgical management of CP.
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KEYWORD
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Gingipain cysteine endopeptidases, Matrix metalloproteinases, Nitric oxide, Periodontal pocket, Probiotics, Randomized controlled trial
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