TODENTJ-25-03-2019_TODENTJ-6-23 1553505312 Bentham Open doi@benthamopen.net Bentham Open The Open Dentistry Journal TODENTJ 1874-2106 1 19 2012 6 1 Takehiro Oyanagi Junji Tagami Khairul Matin Objectives: The aim of this study was to compare the effects of certain commercially available mouthwashes on cariogenic bacteria and biofilms, following the acquisition of inhibition potentials of caries. Materials and Methods: Mouthwashes containing I) chlorhexidine gluconate (CHG; 0.0005% w/v), II) benzethonium chloride (BTC; 0.01% w/v), III) an essential oil (Listerine), and IV) povidone-iodine (PVP-I; 0.035% w/v) were tested on planktonic cariogenic bacteria, biofilms, and an ex vivo caries model. Bacterial aliquots were inoculated with each solution separately and vortexed for 10 seconds at room temperature. Bacterial viability was subsequently investigated by fluorescence microscopy (FM) after staining with a BacLight viability kit and the number of colony-forming units (CFUs) was counted. Similarly, mouthwash solutions were applied to artificial cariogenic biofilms, and bacterial viability of the biofilms was investigated as stated above. Inhibition potentials of two selected mouthwashes of carious lesions were investigated using biofilm-induced caries and a secondary caries model. In all steps, a phosphate-buffered saline (PBS) solution was included as a control. Results: Planktonic cariogenic bacteria and bacteria embedded in biofilms were killed in remarkably large numbers with Listerine and PVP-I treatment compared to PBS and other gargles. CFU counts also showed significant reduction after treatment with Listerine and PVP-I compared to other solutions (P<0.05). Listerine also displayed significant (P<0.05) inhibition effects in preventing the progression of demineralization. Conclusion: Bactericidal potencies of the mouthwashes varied significantly, suggesting that mouthwashes like Listerine can be useful for the prevention of caries and secondary caries. 1 19 2012 23 30 TODENTJ-6-23 1 10.2174/crossmark_policy opendentistryjournal.com benthamopen.com true Peer Reviewed Single blind Checked with iThenticate 2011-10-20 2011-11-25 2011-12-8 2012-1-19 http://creativecommons.org/licenses/by-nc/3.0/ 10.2174/1874210601206010023 1553505312 https://opendentistryjournal.com/VOLUME/6/PAGE/23/ https://opendentistryjournal.com/contents/volumes/V6/TODENTJ-6-23/TODENTJ-6-23.pdf https://opendentistryjournal.com/contents/volumes/V6/TODENTJ-6-23/TODENTJ-6-23.pdf https://opendentistryjournal.com/contents/volumes/V6/TODENTJ-6-23/TODENTJ-6-23.pdf https://opendentistryjournal.com/contents/volumes/V6/TODENTJ-6-23/TODENTJ-6-23.pdf https://opendentistryjournal.com/contents/volumes/V6/TODENTJ-6-23/TODENTJ-6-23.pdf https://opendentistryjournal.com/contents/volumes/V6/TODENTJ-6-23/TODENTJ-6-23.pdf https://opendentistryjournal.com/contents/volumes/V6/TODENTJ-6-23/TODENTJ-6-23.pdf https://opendentistryjournal.com/contents/volumes/V6/TODENTJ-6-23/TODENTJ-6-23.xml Eur J Clin Pharmacol Pitten FA 55 95 1999 Pitten FA, Kramer A. 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