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  • Title: A clinical comparison of three powered toothbrushes.
    Author: van der Weijden GA, Timmerman MF, Piscaer M, IJzerman Y, van der Velden U.
    Journal: J Clin Periodontol; 2002 Nov; 29(11):1042-7. PubMed ID: 12472998.
    Abstract:
    AIM: The purpose of the present study was to compare the ability of the Braun Oral-B 3D Excel power toothbrush (BPT), the Sonicare power toothbrush (SPT) and the Philips Sensiflex 2000 (HX 2550) power toothbrush (PPT) to control plaque and reduce experimentally induced gingivitis. MATERIALS AND METHODS: Two experiments were carried out in two different groups of subjects using a split-mouth design whereby the two halves of the mandible which had been allowed to develop gingivitis were brushed over a 4-week period with the test toothbrushes. Experiment 1 compared the BPT with the SPT (n = 35) and experiment 2 compared the BPT with the PPT (n = 32). The study used a run-in period of 2 weeks, which, together with the 3-week experimental gingivitis phase, represented the pretrial phase of the experiment. The purpose of this phase was two-fold: first, to enable the subjects to become acquainted with the two power brushes and for them to receive proper oral hygiene instruction, and, second, to develop a reasonable level of gingivitis on the mandible. Those subjects with at least 40% of sites exhibiting bleeding in each quadrant in the mandible at day 21 of the experimental gingivitis phase were allowed to continue with the trial. During the next 4 weeks (treatment phase) of each experiment, subjects were told to brush according to a split-mouth design, the right and left sides of the mouth being randomly allocated to a toothbrush. During this period, no rinsing with an antiseptic mouthwash or flossing was allowed and a standard toothpaste (Zendium(R)) was used. After 1, 2 and 4 weeks, the plaque index (Quigley & Hein) and the bleeding tendency on marginal probing were assessed in the mandible. RESULTS: Experiment 1 showed that the bleeding score was reduced from 1.63 to 1.12 at 4 weeks by the BPT and from 1.65 to 1.26 by the SPT. This reduction was more rapid and greater with the BPT (P < 0.05). The plaque index was reduced from 2.19 at day 21-1.03 at 4 weeks by the BPT, and from 2.18 to 1.20 by the SPT. The difference between the two toothbrushes was not significant. Experiment 2 showed that the bleeding score was reduced from 1.77 at day 21 to 1.07 at 4 weeks by the BPT and from 1.75 to 1.24 by the PPT. This reduction was more rapid and greater with the BPT (P < 0.05). There was no significant difference in plaque index at 4 weeks (BPT, 1.09; PPT, 0.95). Data from the questionnaire at the end of the study revealed that, in both experiments, most subjects preferred the BPT. CONCLUSIONS: The data from this study show that the design and action of the Braun Oral-B 3D Excel power toothbrush are more effective in resolving gingivitis than the Sonicare & the Philips Sensiflex 2000 power toothbrushes.
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