| 摘要 |
<p>A toothbrush (10; 100; 200; 300) that includes a head (12; 312) supporting a set of bristles (13), a handle (11; 311) joint to the head (12; 312), a chamber (14; 114; 214; 314) made inside the head (12; 312) and/or inside the handle (11) and containing a dentifrice substance (30), at least one duct (22, 122, 222, 322) that communicates said chamber with the external face of the head (12; 312) supporting the set of bristles, and control means acting inside the chamber to push the dentifrice substance (30) so as to cause its discharge from the ducts to impregnate the set of bristles (13).</p> |
