Development of a laboratory model to assess the removal of biofilm from interproximal spaces by powered tooth brushing
Adams, Heather, Winston, Matthew T., Heersink, Joanna, Buckingham-Meyer, Kelli A., Costerton, J. William and Stoodley, Paul (2002) Development of a laboratory model to assess the removal of biofilm from interproximal spaces by powered tooth brushing. [in special issue: Special Issue] American Journal of Dentistry, 15 , 12B-17B.
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PURPOSE: To develop an interproximal laboratory model to compare the potential effectiveness of powered brushing to remove biofilm plaque from interproximal spaces beyond the reach of bristles. MATERIALS AND METHODS: Streptococcus mutans biofilms were first grown on glass microscope slides in a drip-flow reactor. The slides were removed and positioned in the interproximal model. Each slide was exposed to 15 seconds powered brushing with either the Sonicare Elite or the Braun Oral-B 3D Excel. The thickness of the biofilm was measured with confocal microscopy at various distances from the bristle tips. RESULTS: The Sonicare Elite reduced the thickness of biofilm by 57% at a distance of 0-5 mm from the bristle tips, 53% at 5-10 mm and 43% at 10-15 mm, relative to biofilm in areas unexposed to brushing. All reductions in thickness were statistically significant (P < 0.01). The Braun Oral-B 3D Excel reduced the biofilm thickness by 16%, 13%, and 19% at the same distances respectively, but the thickness reductions were not statistically significant from those in the unexposed areas (P > 0.1).
|Subjects:||Q Science > QR Microbiology|
|Divisions:||University Structure - Pre August 2011 > School of Engineering Sciences > Engineering Materials & Surface Engineering
|Date Deposited:||09 Jun 2010 14:27|
|Last Modified:||25 Apr 2013 23:00|
|Contributors:||Adams, Heather (Author)
Winston, Matthew T. (Author)
Heersink, Joanna (Author)
Buckingham-Meyer, Kelli A. (Author)
Costerton, J. William (Author)
Stoodley, Paul (Author)
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