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Effect of a daily dose of Lactobacillus brevis CD2 lozenges in high caries risk schoolchildren

Campus, Guglielmo Giuseppe and Cocco, Fabio and Carta, Giovanna and Cagetti, Maria Grazia and Simark Mattson, Charlotte and Strohmenger, Laura and Lingström, Peter (2014) Effect of a daily dose of Lactobacillus brevis CD2 lozenges in high caries risk schoolchildren. Clinical Oral Investigations, Vol. 18 (2), p. 555-561. eISSN 1436-3771. Article.

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DOI: 10.1007/s00784-013-0980-9

Abstract

Objectives A double-blind, randomised, placebo-controlled clinical trial was performed to validate the hypothesis that the use of lozenges containing Lactobacillus brevis CD2 (Inersan®, CD Investments srl) may reduce plaque pH, salivary mutans streptococci (ms) and bleeding on probing, during a 6-week period, in a sample of high caries risk schoolchildren.
Methods A total of 191 children (aged 6–8 years), presenting two to three carious lesions and a salivary ms concentration of ≥105 CFU/ml, were enrolled and divided into two groups, an L. brevis CD2 lozenge group and a no L. brevis lozenge group, and examined at baseline (t0), after 3 weeks (t1), after 6 weeks of lozenge use (t2) and 2 weeks after the cessation of lozenge use (t3). Plaque pH was assessed using the microtouch technique following a sucrose challenge. The area under the curve (AUC5.7 and AUC6.2) was recorded. Salivary ms were counted, and bleeding on probing was assessed.
Results At t0, the plaque-pH and ms concentration values were similar in both groups. Mean areas (AUC5.7 and AUC6.2) were significantly greater in the control group at t1, t2 and t3. L. brevis CD2 lozenges significantly reduced salivary ms concentrations and bleeding. The subjects from the test group showed a statistically significant decrease (p=0.01)in salivary ms concentration. At t2, a statistically significantly lower bleeding value was recorded in the test group compared with the control group (p=0.02).
Conclusions Six weeks’ use of lozenges containing L. brevis CD2 had a beneficial effect on some important variables related to oral health, including a reduction in plaque acidogenicity, salivary ms and bleeding on probing.

Item Type:Article
ID Code:9018
Status:Published
Refereed:Yes
Uncontrolled Keywords:Probiotic, Lactobacillus brevis CD2, caries, plaque pH, Salivary mutans streptococci, children
Subjects:Area 06 - Scienze mediche > MED/28 Malattie odontostomatologiche
Divisions:001 Università di Sassari > 01-a Nuovi Dipartimenti dal 2012 > Scienze Chirurgiche, Microchirurgiche e Mediche
Publisher:Springer
eISSN:1436-3771
Copyright Holders:© The Author(s) 2013
Deposited On:13 May 2013 08:31

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