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This RCT investigates the impact of an oral supplement containing the probiotic Levilactobacillus brevis CNCM I-5566 on various salivary indicators of oral health. Participants will be randomly assigned to either the probiotic supplement group or a placebo group. The primary objective is to assess changes in salivary biomarkers, including salivary pH and buffer capacity; microbial composition using microbiome next-generation sequencing (NGS); and clinical oral inflammatory markers, such as full mouth bleeding score and full mouth plaque score, over a 4-week period. By comparing these indicators between the two groups, the study aims to determine the efficacy of Levilactobacillus brevis CNCM I-5566 in promoting oral health and potentially preventing oral diseases.
Full description
This RCT is designed to investigate the impact of an oral supplement containing the probiotic Levilactobacillus brevis CNCM I-5566 on various salivary indicators of oral health. The study aims to provide robust evidence on the efficacy of this probiotic in promoting oral health and potentially preventing oral diseases.
Study Design:
Participants will be randomly assigned to one of two groups: the experimental group, which will receive the Levilactobacillus brevis CNCM I-5566 probiotic supplement, and the control group, which will receive a placebo. This random assignment ensures that the groups are comparable at the start of the trial, allowing for unbiased comparison of outcomes.
Duration:
The study will be conducted over a 4-week treatment period, during which participants will adhere to their assigned supplement regimen.
Primary Objectives:
The primary objective of this RCT is to assess the impact of Levilactobacillus brevis CNCM I-5566 on several key indicators of oral health, measured through salivary biomarkers, microbial composition, and clinical oral inflammatory markers.
Salivary Biomarkers:
Salivary pH: The acidity or alkalinity of saliva, which can influence oral health by affecting the growth of bacteria and the integrity of tooth enamel.
Buffer Capacity: The ability of saliva to neutralize acids, which is crucial for maintaining a healthy oral environment and preventing dental caries.
Salivation rate: The amount of salivary production (mL) overtime (in 5 minutes). This parameter is needed for individual caries risk assessment.
Microbial Composition:
The composition of the oral microbiome will be analyzed using next-generation sequencing (NGS). This advanced technique allows for a comprehensive assessment of the microbial populations present in the saliva and dental plaque, providing insights into how the probiotic supplement may alter the microbiome to support oral health.
Clinical Oral Inflammatory Markers:
Full Mouth Bleeding Score: A measure of gum inflammation and bleeding, which are indicators of gingivitis or periodontal disease.
Full Mouth Plaque Score: A measure of the accumulation of dental plaque, which is a biofilm of bacteria that can lead to tooth decay and gum disease if not properly managed.
Outcome Comparison:
By comparing the changes in these indicators between the probiotic supplement group and the placebo group, the study aims to determine the efficacy of Levilactobacillus brevis CNCM I-5566. Significant improvements in the probiotic group compared to the placebo group would suggest that Levilactobacillus brevis CNCM I-5566 is effective in promoting oral health and preventing oral diseases.
Significance:
This study has the potential to contribute valuable information to the field of oral health, particularly in understanding how probiotics can be used as a preventive measure against oral diseases. If successful, the findings could lead to new recommendations for probiotic use in dental care routines.
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70 participants in 2 patient groups, including a placebo group
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Data sourced from clinicaltrials.gov
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