C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
83/1, 57/12, 57/
C08J 5/14 (2006.01) A61C 3/06 (2006.01) A61K 6/00 (2006.01) A61K 6/06 (2006.01) A61K 6/08 (2006.01) A61K 6/083 (2006.01) C09K 3/14 (2006.01)
Patent
CA 1252636
ABRASIVE FOR REMOVAL OF ORTHODONTIC BRACKET ADHESIVES ABSTRACT OF THE DISCLOSURE The invention relates to a dental abrasive composition, comprising a finely divided inorganic material admixed with a solid binder, said inorganic material being non-toxic, having a Mohs hardness less than 5, and being at least 30% of the total weight of said composition, said abrasive composition being in the form of a scraping tool, a cutting tool, or a grinding attachment for a standard powered dental tool, said tool having a hardness sufficiently low to avoid damaging tooth enamel when used thereon. The composition permits removal of orthodontic bracket adhesives with little or no damage to tooth enamel.
559887
Minnesota Mining And Manufacturing Company
Smart & Biggar
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