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  • Title: Powered vs manual tooth brushing in fixed appliance patients: a short term randomized clinical trial.
    Author: Hickman J, Millett DT, Sander L, Brown E, Love J.
    Journal: Angle Orthod; 2002 Apr; 72(2):135-40. PubMed ID: 11999936.
    Abstract:
    Sixty-three orthodontic patients wearing upper and lower fixed appliances were randomly assigned to use either a powered toothbrush fitted with a modified orthodontic brush head (Braun Oral-B Plaque Remover 3D) or a manual toothbrush (Reach Compact Medium). A trained hygienist instructed each patient on the proper use of the allocated brush. Measurements of plaque and gingival health were made at baseline, at four weeks, and at eight weeks. Data for each group were analyzed using paired t-tests. Patients using the powered toothbrush showed a significant reduction in percentage interdental bleeding scores from baseline to four weeks (-12.7, P = .003) and this was still apparent at eight weeks (-8.6, P = .028), although there were no statistically significant changes in either plaque or gingivitis scores for this group. Those patients using a manual toothbrush showed a significant reduction in mean plaque score from baseline (four weeks = -0.18, P = < .001; eight weeks = -0.12, P = .016), but gingivitis scores were only reduced significantly at four weeks. In this group, interdental bleeding scores reduced significantly at four weeks (P = .028), but were not significantly different from baseline at eight weeks (P = .0319). When the two patient groups were compared using two sample t-tests, there were no significant differences in any of the parameters measured at any time point in the study. Over an eight-week period, there were no measurable differences between the powered toothbrush with modified orthodontic brush head and a manual toothbrush with respect to mean change in plaque, gingivitis, or interdental bleeding scores when used by patients wearing fixed appliances.
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