Method for priming hard tissue
AssigneeMinnesota Mining and Manufacturing Company
InventorsSteven M. Aasen, Joel D. Oxman
Life of this patent
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Abstract
An acid and a water-soluble film former are used as a primer for hard tissue (e.g., dentin). The acid has a pK.sub.a less than or equal to that of phenol and the acid and its calcium salt(s) are soluble in the film former. The primer is free of adhesively detrimental quantities of calcium salts that are not soluble in the film former.
Claims22
A method for adhering to or coating dentin, comprising the steps of:
- (a) applying to said dentin adhesively effective amounts of an acid and a water-soluble film former, without forming adhesively detrimental quantities of calcium salts that are not soluble in said film former, said acid having a pK.sub.a less than or equal to that of phenol and said acid and its calcium salt(s) being soluble in said film former, and
- (b) hardening said film former.
A primer film, said film lying on the surface of hard human or animal tissue, and comprising a mixture of adhesively effective amounts of an acid and a water-soluble film former, said acid having a pK.sub.a less than or equal to that of phenol and said acid and its calcium salt(s) being soluble in said film former, said mixture being free of adhesively detrimental quantities of calcium salts that are not soluble in said film former.
A method for adhering to or coating hard human and animal tissue, comprising the steps of:
- (a) concurrently applying to said issue a mixture of adhesively effective amounts of acid and water-soluble film former, without forming adhesively detrimental quantities of calcium salts that are not soluble in said film former, said acid having a pK.sub.a less than or equal to that of phenol and said acid and its calcium salt(s) being soluble in said film former, and
- (b) hardening said film former.
Dependencies are inferred from the claim text.