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Abstract

A dental adhesive coating base composition comprising a copolymer represented by formula (I) or (II) in an amount of from 5 to 40 wt % based on the total amounts of the composition; and an oral composition comprising at least one of a copolymer represented by formula (I) and a copolymer represented by formula (II) in an amount of from 5 to 40 wt % based on the total amount of the composition, at least one of a phosphoric acid and tartaric acid present in an amount effective to increase the solubility of fluoride in the composition, up to an amount of 6 wt % or less based on the total amount of the composition; a fluorine-containing compound in an amount effective for dental caries prevention; and a volatile nonaqueous solvent are disclosed: ##STR1## wherein R.sup.11 represents an alkyl group having from 1 to 10 carbon atoms; R.sup.12 represents a lower alkyl group having from 1 to 2 carbon atoms, provided that three R.sup.12 groups must be the same; R.sup.13, R.sup.14, R.sup.15, R.sup.16 and R.sup.17, which may be the same or different, each represents a hydrogen atom or a methyl group; W.sub.1 is from 5 to 30 wt %; X.sub.1 is from 20 to 60 wt %; Y.sub.1 is from 20 to 60 wt %; and Z.sub.1 is from 0.2 to 20 wt %; ##STR2## wherein R.sup.21 and R.sup.22, which may be the same or different, each represent an alkyl group having from 1 to 10 carbon atoms; R.sup.23, R.sup.24, and R.sup.25, which may be the same or different, each represent a hydrogen atom or a methyl group, provided that at least one of the groups R.sup.21 and R.sup.22, and R.sup.24 and R.sup.25, respectively, are different from each other; X.sub.2 is from 5 to 80 wt %; Y.sub.2 is from 10 to 95 wt %; and Z.sub.2 is from 0 to 85 wt %.

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First Claim