| 摘要 |
<p>A dental device (10, 40, 50, 60, 70) includes a carrier layer (12). Discrete first regions (30) of a whitening agent (24) are disposed on the carrier layer. Discrete second regions (32) of an activator (26) for the whitening agent are disposed on the carrier layer. The regions (30) of the whitening agent are spaced from the regions (32) of the activator. The device is suited to whitening teeth.</p> |
