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Salivary mutans streptococci and lactobacilli modulations in young children on consumption of probiotic ice-cream containing Bifidobacterium lactis Bb12 and Lactobacillus acidophilus La5.

Author(s): Singh RP, Damle SG, Chawla A

Affiliation(s): Department of Pedodontics & Preventive Dentistry, Dr HS Judge Institute of Dental Sciences and Hospital, Chandigarh & Ex-resident M.M. College of Dental Sciences and Research, Mullana, India. dr.polka@gmail.com

Publication date & source: 2011-11, Acta Odontol Scand., 69(6):389-94. Epub 2011 Apr 5.

OBJECTIVES: To compare the levels of mutans streptococci and lactobacilli in saliva of school children, before and after consumption of probiotic and control ice-cream. MATERIALS AND METHODS: A double-blind, cross-over, placebo-controlled trial was carried out in forty, 12-14 year-old children, with no clinically detectable caries. The selected children were randomized equally into two groups I and II. Following an initial run-in period of 1 week, children in group I and II were given ice-creams 'A' and 'B', respectively, for 10 days. Being a cross-over study, the ice-creams were interchanged in the two groups after a 2-week wash-out period. Saliva samples at baseline and follow-up were assessed using Dentocult SM and Dentocult LB kits. RESULTS: On statistical evaluation, it was seen that probiotic ice-cream brought about a statistically significant reduction (p-value = 0.003) in salivary mutans streptococci levels with no significant effect on lactobacilli levels. CONCLUSION: In conclusion, probiotic ice-cream containing Bifidobacterium lactis Bb-12 ATCC27536 and Lactobacillus acidophilus La-5 can reduce the levels of certain caries-associated micro-organisms in saliva.

Page last updated: 2011-12-09

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