Toothbrush with improved cleaning and abrasion efficiency
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United States of America Patent
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Oct 31, 2000
Grant Date -
N/A
app pub date -
Jul 24, 1997
filing date -
Jul 25, 1996
priority date (Note) -
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Abstract
A toothbrush having an improved cleaning and abrasion efficiency, wherein the bristles are comprised of synthetic thermoplastic polymeric compositions, and contain longitudinal channels extending along the length thereof, having a depth sufficient to entrap a quantity of abrasive particles such that during brushing with a toothpaste, contact between the channel entrapped abrasive particles and the surfaces of the teeth is improved, resulting in a cleaning efficiency coefficient, CEC, above about 1.5 and, an abrasion efficiency coefficient, AEC, above about 1.5, while demonstrating suitable bristle wearability.
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