Dental acid etchant composition and method of use
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United States of America Patent
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Mar 25, 2003
Grant Date -
Feb 14, 2002
app pub date -
May 11, 2001
filing date -
May 11, 2000
priority date (Note) -
Expired
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Abstract
A gel composition for use in etching the surfaces of teeth in preparation for prophylaxis, repair, or restoration, comprising an aqueous solution of an effective quantity of an acid; and a colloidal silica sol, wherein the silica portion of the sol comprises from about 3 to about 20 weight percent of the total etchant composition.
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