A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 6/00 (2006.01)
Patent
CA 2126344
The invention provides a pretreatment method and primer that is applied directly to the hard tissue. The invention has par- ticular utility for adhering to or coating sclerotic dentin and cervical enamel or for adhering to or coating hard tissue in a high humidity environment. The primer enables formation of extremely strong bonds to dentin. The method comprises tie steps of: (a) applying to the hard tissue adhesively effective amounts of an acid and a waterdispersible film former comprising a polymer and (b) hardening the film former. Primer compositions are provided far use in this method, comprising a mixture of an acid and a film former comprising a polymer prior to hardening, the mixture being in the form of a film atop the hard tissue.
Aasen Steven M.
Fundingsland Jon W.
Mitra Sumita B.
Oxman Joel D.
Ubel F. Andrew III
Minnesota Mining And Manufacturing Company
Smart & Biggar
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