COLGATE (silicon dioxide, sodium fluoride, and triclosan) paste
dailymed.nlm.nih.gov/dailymed/lookup.cfm?setid=0c19f549-b64b...?
COLGATE (silicon dioxide, sodium fluoride, and triclosan) paste, dentifrice ... between teeth. These may be signs of periodontitis, a serious form of gum disease.
Patent US4140757 - Extension of gum thickener with silicon dioxide ...
www.google.com/patents/US4140757?
The extension of a gum thickener in a dentifrice composition of high water content is achieved by replacement of up to 50% of the gum thickener with a silica ...