| 摘要 |
<p>A tooth (10) having a tooth surface with a plurality of tubules (20), and micro-channels (20) defined therein is treated with a metal salt. The polyphosphene substance, and with a pharmacologically active substance (202) before the hydrogel (24), is formed via a reaction with the metal salt so that the hydrogel (24) functions as a vehicle for the pharmacologically active substance (202).</p> |
