Tooth cleaning powders and methods of use thereof
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United States of America Patent
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Aug 1, 2006
Grant Date -
May 13, 2004
app pub date -
Mar 15, 2001
filing date -
Mar 24, 2000
priority date (Note) -
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Abstract
Fine-grained powders or powder mixtures can be used to provide for spray cleaning of supragingival tooth surfaces. The abrasion of the tooth surface by the spraying of powder does not exceed 0.15 mm.sup.3 in relation to a tooth surface of 10 mm.sup.2 during a spray period lasting 2 minutes at a pressure of 4 bars and a distance of no more than 2.5 mm between the tooth surface and nozzle of the spray jet.
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