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Michalek-Sauberer A, Gusenleitner E, Gleiss A, Tepper G, Deusch E.Michalek-Sauberer A, et al.Clin Oral Investig. 2012 Dec;16(6):1517-22. doi: 10.1007/s00784-011-0662-4. Epub 2012 Jan 6.Clin Oral Investig. 2012.PMID: 22219023Clinical Trial.