title: Professional brushing study comparing the effectiveness of sonic brush heads with manual toothbrushes: a single blinded, randomized clinical trial.
abstract: The aim of this study was to evaluate the plaque removal efficacy of four toothbrushes: the Philips Sonicare Elite with medium and mini brush heads, the Elmex Sensitive, and the American Dental Association (ADA) reference toothbrush. This study was a randomized, controlled, investigator-blinded, four-brush crossover design study, which examined plaque removal following a consecutive repeated use. All brushes were used on each participant in a randomly assigned quadrant of the mouth. A total of 90 subjects participated in the study. Prior to the experiment, they received a professional prophylaxis and were requested to refrain from toothbrushing for 48 h. Teeth were professionally brushed consecutively for 10 to 90 s per quadrant. A Turesky-modified Quigley Hein Index score was assessed at baseline and after each brushing interval by one blinded investigator. Results showed reduction of mean plaque scores for all brushes with time from 10 to 90 s. After 30 s (2-min whole mouth equivalent) of brushing, the Sonicare brushes cleaned 19, the ADA brush 16, and the Elmex Sensitive 10 of in average 28 tooth surfaces. With time, the number of additional cleaned surfaces decreased. Time is an important variable in the evaluation of plaque-removing efficacy since absolute efficacy increases with time and differs per toothbrush. No differences could be found between the two brush heads of the Sonicare.
authors.affiliation: Operative Dentistry and Periodontology, University Hospital of Munich, Munich, Germany.
authors.forename: Anna-Kristina
authors.initials: AK
authors.lastname: Pelka
authors.forename: Tonia
authors.initials: T
authors.lastname: Nagler
authors.forename: Imke
authors.initials: I
authors.lastname: Hopp
authors.forename: Anselm
authors.initials: A
authors.lastname: Petschelt
authors.forename: Matthias Anton
authors.initials: MA
authors.lastname: Pelka
mesh_terms: D000328:Adult; D018592:Cross-Over Studies; D003773:Dental Plaque / Q000628:therapy; D003774:Dental Plaque Index; D003777:Dental Prophylaxis / Q000295:instrumentation*; D004526:Efficiency; D004867:Equipment Design; D005260:Female; D006801:Humans; D008297:Male; D016037:Single-Blind Method; D013997:Time Factors; D014099:Toothbrushing / Q000295:instrumentation*; D014465:Ultrasonics / Q000295:instrumentation; D055815:Young Adult
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