Indicator dental floss
View Patent ↗A floss comprising: a fiber substrate; and a uniform coating comprising a colorant, wherein the color of the coating is different than the color of the fiber substrate is disclosed. The floss is useful as an indicator floss.
1. A dental floss, comprising:
a fiber substrate, said fiber substrate having a first color; said fiber substrate having a coating substantially uniformly applied thereto; said coating as applied to said fiber substrate comprising from about 0.1 to about 5 percent by weight of a second color which substantially completely masks said first color;
whereby when said floss is contacted with teeth upon flossing, said coating is disrupted by said contact with the teeth to thereby reveal said first color.
2. The dental floss according to claim 1 wherein said fiber substrate is a monofilament.
3. The dental floss according to claim 1 wherein said fiber substrate is a multifilament.
4. The dental floss according to claim 1 wherein said fiber substrate is made from a polymer selected from the group consisting of nylon 6,6, nylon 6, polypropylene, polyester, polyethylene, and polytetrafluoroethylene.
5. The dental floss according to claim 1 wherein said coating is a soluble coating.
6. The dental floss according to claim 5 wherein said soluble coating is selected from the group consisting of low molecular weight polyethylene glycols.
7. The dental floss according to claim 5 wherein said coating comprises from about 0.1 to about 5 percent by weight of said second color.
8. The dental floss according to claim 5 wherein said coating comprises from about 0.75 to about 5 percent by weight of said second color.
9. The dental floss according to claim 1 wherein said coating is insoluble.
10. The dental floss according to claim 9 wherein said insoluble coating is selected from the group consisting of microcrystalline wax, beeswax, paraffin waxes and low molecular weight polyethylenes.
11. The dental floss according to claim 1 wherein said second color is provided by a Lake Pigment.
12. The dental floss according to claim 11 wherein said lake is a red-colored lake.