Does cavitation occur around powered toothbrushes?


Lea, S. C., Price, G. J. and Walmsley, A. D., 2004. Does cavitation occur around powered toothbrushes? Journal of Clinical Periodontology, 31 (2), pp. 77-78.

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Aims/objectives: The aim of this investigation was to determine if cavitational activity occurred around powered toothbrushes using a chemical dosimeter system based on terephthalic acid (TA). Material and Methods: Five powered toothbrushes were used in this investigation: Braun Plaque Remover D8, Braun Oral-B 3D, Philips Jordan Sensiflex HX2520, Sonicare PS-1 and Sonicare Elite HX 7351/02. Each brush head was inserted into a conical flask containing 50 cm(3) of aqueous TA solution. Brushes were operated for 10 and 20 min and a cuvette of the solution was placed in a fluorescence spectrometer (Perkin Elmer 3000). The fluorescence emitted at wavelength 425 nm, which is proportional to (OH)-O-. radical concentration, was monitored. Results: Any cavitational activity that may have been produced by the powered toothbrushes was below the limit of detection of the system (


Item Type Articles
CreatorsLea, S. C., Price, G. J. and Walmsley, A. D.
DepartmentsFaculty of Science > Chemistry
ID Code4895
Additional InformationID number: ISI:000188256100001


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