Patent ID: 7665992

Claim:
A method for adhering a material to a dental substrate, comprising the steps of: (a) applying to a dental substrate an effective amount of a dental etching solution, said etch solution comprising an inorganic acid, present in an amount of from about 1 to about 10 parts by weight; an organic acid, present in amount from about 0.1 to about 10 parts by weight; a solvent present in an amount from 0 to about 65 parts by weight; an ethylenically unsaturated functional monomer, present in an amount from about 0.1 to about 10 parts by weight and water, present in an amount from 0 to about 50 parts by weight, all components in an amount to equal a total of 100 parts by weight; (b) applying a second preparative solution to the dental substrate treated in step (a), said preparative solution comprising an ethylenically unsaturated functional monomer, present in an amount of from about 5 to about 25 parts by weight; a polyethylenically unsaturated functional crosslinking monomer, present in an amount of from about 10 to about 40 parts by weight; a solvent present in an amount from 0 to about 65 parts by weight; and water, present in an amount from 0 to about 50 parts by weight, all components in an amount to equal a total of 100 parts by weight; (c) applying a curable composite to the dental substrate treated in step (b), said curable composite comprising an ethylenically unsaturated functional monomer, present in an amount of from about 10 to about 30 parts by weight; a polyethylenically unsaturated functional crosslinking monomer, present in an amount of from about 50 to about 90 parts by weight; a solvent present in an amount from 0 to about 15 parts by weight; and water, present in an amount from 0 to about 15 parts by weight, all components in an amount to equal a total of 100 parts by weight; and (d) exposing the treated dental surface to a light source that emits an effective amount of energy to cure the composite.