| abstract |
The present invention provides an oral-use polymer that is provided with a polymer chain (hereinafter, referred to as polymer chain 1) containing a repetitive structure derived from a monomer having a residue obtained by removing one hydrogen atom from one kind or more of phosphorus-containing acids selected from the group consisting of phosphoric acid, polyphosphoric acid, phosphonic acid, polyphosphonic acid, phosphinic acid, partial esters thereof and salts thereof, and n a hydrophilic polymer chain (hereinafter, referred to as polymer chain 2), as well as a composition of such an oral-use polymer. These make it possible to inhibit adsorption of bacterial onto the tooth surface and also to suppress formation of bacterial plaque. |