Prophy cup for dental handpiece
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United States of America Patent
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Feb 6, 2018
Grant Date -
N/A
app pub date -
Jun 23, 2016
filing date -
Sep 28, 2010
priority date (Note) -
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Abstract
A prophy cup has an outer surface with dimples formed therein. The dimples increase the turbulent flow in a boundary layer proximate to the surface. The increased turbulent flow reduces the separation of fluid (a slurry of saliva, blood and pumice) at the boundary layer to minimize the quantity of fluid ejected from the surface. A dental handpiece housing is configured to split longitudinally so that a wiper is positioned proximate to the outer surface of the prophy cup. The wiper removes slurry as the prophy cup rotates during a dental cleaning procedure to further reduce the quantity of fluid ejected from the surface during the procedure.
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