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  • Title: Comparative efficacy of the Colgate Actibrush battery-powered toothbrush vs Oral-B CrossAction toothbrush on established plaque and gingivitis: a 6-week clinical study.
    Author: Nathoo S, Rustogi KN, Petrone ME, DeVizio W, Zhang YP, Volpe AR, Proskin HM.
    Journal: Compend Contin Educ Dent Suppl; 2000; (31):S19-24; quiz S35. PubMed ID: 11908371.
    Abstract:
    The objective of this clinical program was to compare the efficacy of the Colgate Actibrush battery-powered toothbrush and the Oral-B CrossAction Toothbrush (full head, soft bristle) for the control of supragingival plaque and gingivitis. Two independent clinical studies were conducted: Study 1 (repeated 3 times) was a single-use, examiner-blind clinical study designed to measure the removal of plaque after 24 hours of no oral hygiene. Study 2 was a definitive 6-week, examiner-blind clinical study designed to determine plaque and gingivitis efficacy at 3 and 6 weeks. Sixty-one men and women, who had refrained from using oral hygiene procedures for 24 hours, were entered into the study and stratified into 2 balanced groups according to baseline (prebrushing) plaque and gingivitis scores. For Study 1, Modified Navy Plaque Index (Rustogi Refinement) scores were obtained prebrushing and after a 1-minute supervised brushing with the assigned toothbrush and a commercially available toothpaste. On 3 separate occasions, after 24 hours of no oral hygiene, the Colgate Actibrush battery-powered toothbrush removed significantly more plaque than did the CrossAction Toothbrush. For Study 2, subjects were instructed to brush their teeth twice daily for 1 minute with the assigned toothbrush. Plaque Index scores and Löe-Silness Gingival Index scores were assessed after 3 and 6 weeks. At the 6-week examination, the group using the Colgate Actibrush battery-powered toothbrush exhibited a statistically significant reduction in both supragingival plaque and gingivitis, compared with the group that used the CrossAction Toothbrush. The results of these clinical studies support the conclusion that the Colgate Actibrush battery-powered toothbrush is clinically superior for the control of both supragingival plaque and gingivitis, as compared with the Oral-B CrossAction manual toothbrush.
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