| 摘要 |
<p>An oral preparation characterized by containing a biologically active crystallized glass comprising 25 to 60 wt.% of SiO2, 15 to 60 wt.% of CaO and 0 to 30 wt.% of P2O5, with each percentage being based on the crystallized glass; an oral paint prepared by further adding a film-forming substance and an organic solvent to the preparation; and another oral preparation prepared by further adding a polymer capable of adhering to the surface of a tooth to the above preparation.</p> |
