| 摘要 |
A one-pack type dental adhesive composition that does not require a pre-treatment such as an etching treatment and a priming treatment and can surely adhere a dental restoration material to a tooth structure and keep an adhesive effect over a long period of time, comprised of a polymerizable composition containing (a) 1~5% by weight of a polymerizable monomer containing a phosphoric acid group, (b) 10~40% by weight of a polymerizable monomer containing a plurality of carboxyl groups in one molecule, or being readily reactive with water to generate a plurality of carboxyl groups in one molecule, (c) 20~40% by weight of an acid group-free polymerizable monomer or a mixture of two or more acid group-free polymerizable monomers, both having a solubility of water at 25° C. of 25% by weight or less, and (d) 15~50% by weight of water, with (e) 0.1 ~5.0 parts by weight, based on 100 parts by weight of the polymerizable composition, of a photo-polymerization initiator and (f) a viscosity modifier having a mean particle size of 0.01~0.05 mum, the dental adhesive composition having a viscosity of 0.1~1 Pa.s.
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