Clinical evaluation of the Plak Trac toothbrush

Three separate studies have been conducted to evaluate the clinical safety and efficacy of the Plak Trac mechanical toothbrush. In an exaggerated use study, volunteers used the product a minimum of five times a day for eight days. Soft tissue evaluations were conducted before and at various times after use of the Plak Trac brush throughout the study. No tissue irritation related to product use was observed or reported at any time in the study. In a thirty-day at-home use study the Plak Track brush was compared to the Colgate ADA-approved manual toothbrush. Plak Trac was consistently more effective than the Colgate brush on plaque removal, at higher statistical levels. Both brushes were effective in decreasing the gingival index during the study. In a one-time use test, Plak Trac, Interplak, and the Oral B 35 manual brush were evaluated for plaque removal efficacy. All brushes significantly reduced both smooth surface and interproximal plaque scores. On total smooth surfaces Plak Trac was significantly more effective than the Interplak brush.