TY - JOUR ID - TI - Comparing the effect of probiotic and chlorhexidine as a mouth rinses in bacterial plaque AU - Amer Al- Sheikh Thaer AU - Alaa Omran الاء عمران PY - 2012 VL - 24 IS - special issue 2 SP - 93 EP - 99 JO - Journal of baghdad college of dentistry مجلة كلية طب الاسنان بغداد SN - 18171869 23115270 AB - Background: Probiotic technology represents a breakthrough approach to maintaining oral health by utilizing naturalbeneficial bacteria commonly found in healthy mouth to provide a natural defense against those bacteria thoughto be harmful to periodontal tissue. Data are still sparse on the probiotic action in the oral cavity. The aim of studywas the present study evaluated clinically the efficacy of probiotic type inarched yeast extract, and chlorhexidinemouth rinses on plaque.Material &method: Four strain of probiotics bacteria were used, Lactobacillus acidophilus, Lactobacillus rhamnosus,Lactobacillus bulgaricus & bifidubacterium actiregularis, and grown in skim milk and plus 0.25, 0.5 % yeast extractindividually, the cell free extract of each one of those treatments were add 1: 9 todiluted bacterial plaque takenfrom 5 subjects, to measure the effect of cell free extract on aerobic & anaerobic bacteria.45 subjects with chronic periodontitis attend periodontal clinic in college of dentistry university of Baghdad (age 25-35) the trial design as 14 days comparative study between a probiotic and chlorhexidine.Result: add yeast extract increased the total count of 4 probiotic bacteria 16.25 -29.22% , Cell free extract ofLb. acidophilus probiotic skim milk dairy product was the most powerful in reducing both aerobicand anaerobic plaque bacteria among other probiotic bacteria, it reduced 3.38 – 2.17 log cfu/graerobic bacteria while the same treatment reducing the anaerobic bacteria 2.5- 2.1 log cfu/gr ,the probiotic and chlorhexidine groups had less plaque accumulations compared with the control group at the endof 14day (P<0.001and P<0.001)respectively .Conclusion: the probiotic mouth rinse was found effective in reducing plague accumulation and gingivalinflammation, probiotic mouth rinse obviously has a potential therapeutic value and further study is recommendedto determine the efficacy.

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