Remineralizing/mineralizing oral products having improved whitening and stain removal properties
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United States of America Patent
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Oct 16, 2001
Grant Date -
N/A
app pub date -
Feb 12, 1999
filing date -
Feb 12, 1999
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An oral product, preferably a toothpaste, effective for remineralizing subsurface dental lesions, mineralizing exposed dentinal tubules and whitening teeth stained with discoloring residues containing heavy metal ions such as Fe.sup.+3, Mn.sup.+2 and Cu.sup.+2, is composed of a first discrete part composed of a water-soluble or partially water-soluble calcium salt and optionally a non-toxic, non-calcium water-soluble divalent metal salt, and a second discrete part composed of a water-soluble orthophosphate salt and preferably a water-soluble fluoride salt. Further enhanced stain-removing properties without excessive abrasivity are imparted to the oral product when part (A) further contains an effective amount of an anhydrous dicalcium phosphate abrasive and part (B) further contains an effective amount of a silica abrasive.
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Family
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Cited Art Landscape
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