PMID: 11908371Mar 23, 2002Paper

Comparative efficacy of the Colgate Actibrush battery-powered toothbrush vs Oral-B CrossAction toothbrush on established plaque and gingivitis: a 6-week clinical study

Compendium of Continuing Education in Dentistry. Supplement
Salim NathooHoward M Proskin

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...Continue Reading

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