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  • Title: Comparison of an oscillating/rotating electric toothbrush and a 'sonic' toothbrush in plaque-removing ability. A professional toothbrushing and supervised brushing study.
    Author: Van der Weijden GA, Timmerman MF, Reijerse E, Snoek CM, Van der Velden U.
    Journal: J Clin Periodontol; 1996 Apr; 23(4):407-11. PubMed ID: 8739175.
    Abstract:
    The purpose of the present study was to compare the Braun/Oral-B Plak Control (D7) and Sonicare (S) in their plaque-removing efficacy. For this study, 35 university students (non-dental) were selected. This was a 2-part study. Prior to each appointment, all subjects were asked to abstain from all oral hygiene procedures for at least 24 h. In Part 1, the efficacy of the toothbrush was studied when one of the investigators brushed the teeth of the panellists. In Part 2, the efficacy of toothbrushing was studied after the students had received professional instruction. The available time for the brushing amounted to a total of 2 min per mouth. Dental plaque was evaluated by means of the Silness and Löe plaque index assessed at 6 sites per tooth. Results showed that both in Part 2 and Part 1 the D7 removed significantly more plaque than the S-electric toothbrush. The plaque reduction assessed according to Silness and Löe in Part 1 was for the D7, 1.28 and for the S, 1.12. In Part 2, the reductions were 0.90 and 0.80, respectively. The majority (n = 34) of subjects preferred the D7 over the S. In conclusion, the results of the present study show that the oscillating/rotating toothbrush (Braun/ Oral-B Plak Control) is more effective in plaque removal than the sonic electric toothbrush (Sonicare). In addition, given a choice, the panellists preferred the oscillating/rotating electric toothbrush.
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