Nicotine Containing Dental Floss
Keep away cavities and cancer at the same time.
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| Number | Title | Issue Date |
| 6931689 | Face brush A face brush has a holding frame, a thread girdle, and a tube-shaped elastic net. The holding frame has a handle and a disk-shaped head having a semispheric center protrusion. A through aperture is formed on the semi-spheric center protrusion of the disk-shaped head... | 08/23/2005 |