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Specific Probiotic May Improve Dental Health

Cavities are a serious health problem, as more and more studies suggest that our oral health affects the rest of our bodies. A recent study suggests that taking the probiotic Lactobacillus rhamnosus might help improve dental health by reducing tooth decay.


Participants in the study included 261 children between the ages of two and three. On week days for 10 months, the children were given either 150 mL of milk with 10 billion colony forming units of L. rhamnosus SP1 or standard milk.


At the conclusion of the study period, the cavity prevalence was 54.4% in the probiotic group and 65.8% in the control group. Additionally, 24.3% of new individuals developed cavitated lesions in the control group, compared with 9.7% in the probiotic group.


There were no adverse effects or gastrointestinal disorders reported in the probiotic group.


Researchers from the University of Chile conducted the study. It was published online ahead of print on January 8, 2016, in the Journal of Dental Research.


Previous studies suggest that Lactobacillus rhamnosus may help reduce diarrhea, improve immunity, and improve urinary tract health. It can be found in yogurt, cheese, and fermented foods. It can also be consumed in the form of a high-quality supplement.

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