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  • Title: Comparative Evaluation of Three Probiotics for Streptococcus mutans Prevention in Plaque Around Orthodontic Braces.
    Author: Baxi S, Bhatia V, Tripathi AA, Kumar P, Tiwari A, Bagde H.
    Journal: Cureus; 2023 Apr; 15(4):e37923. PubMed ID: 37220436.
    Abstract:
    BACKGROUND AND AIM: Orthodontic brackets can be a significant factor in enamel demineralization due to their complex structure, which makes brushing the teeth difficult and promotes the accumulation of food particles and dental plaque. The fact that metal braces have the highest surface tension and are more likely to cause enamel demineralization, which can result in the development of white spot lesions and enamel caries, is of critical significance to doctors, dentists, and patients. Probiotics have a beneficial effect in preventing and treating oral infectious diseases like tooth decay, gingival disorders, and bad breath. Research has shown that taking probiotics lowers the amount of Streptococcus mutans in the body. There has not been much research done to examine the results of administering a probiotic medication locally. This study was conducted to examine the effectiveness of three separate probiotics in the prevention of S. mutans accumulation in plaque surrounding orthodontic braces. MATERIALS AND METHODS: A randomized controlled trial was conducted. The volunteers for each group were chosen using a straightforward random method. The sample size was 160 empirically determined subjects. They were divided as follows: study group 1 received probiotic lozenges (n=40). Study group 2 received probiotic sachets (n=40). Study group 3 received probiotic beverages (n=40). Group 4 was the control group, those who did not get probiotics (n=40). The samples were then plated onto culture media to test for Streptococcus mutans. S. mutans colonies were counted using a computerized colony counter. RESULTS: The mean values of colony forming units (CFU/mL) of S. mutans at baseline in the control group were 354±23.6, while they were 232±41.7 at the end of the observation duration. The difference was non-relevant statistically (p=0.793). The mean values of CFU/mL of S. mutans at baseline in the group taking probiotic lozenges were 358.7±39.93, while they were 57±10.12 at the end of the observation duration. The difference was relevant statistically (p=0.021). The mean values of CFU/mL of S. mutans at baseline in the group taking probiotic sachets were 321.36±41.67, while they were 215.5±22.66 at the end of the observation duration. The difference was relevant statistically (p=0.043). The mean values of CFU/mL of S. mutans at baseline in the group taking the probiotic drink were 335.76±40.12, while they were 75.1±28.74 at the end of the observation duration. The difference was relevant statistically (p=0.032). CONCLUSION: There was a significant decline in the number of colonies of S. mutans in all three forms of probiotics; however, the decline was greatest in the study participants taking probiotic lozenges.
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