Claims
- 1. In an anticalculus oral composition containing in an orally acceptable vehicle one or a mixture of water soluble linear molecularly dehydrated alkali metal or ammonium polyphosphate salts as essential anticalculus agent, an amount of a fluoride ion source sufficient to supply about 25 ppm to about 2,000 ppm of fluoride ions, and one or a mixture of water soluble alkali metal or ammonium synthetic anionic polymeric polycarboxylate salts, the improvement comprising employing in said composition a polyphosphate ion:polycarboxylate salt weight ratio ranging from about 0.3:1 to about 2.5:1.
- 2. A composition according to claim 1 wherein said fluoride ion source comprises sodium fluoride.
- 3. A composition according to any one of claims 1 or 2 wherein said polymeric polycarboxylate has a molecular weight of about 1,000 to about 1,000,000.
- 4. A composition according to any one of claims 1, 2 or 3 wherein said polymeric polycarboxylate comprises a carboxyvinyl polymer.
- 5. A composition according to any one of claims 1, 2 or 3 wherein said polymeric polycarboxylate comprises a copolymer of vinyl methyl ether and maleic acid or anhydride.
- 6. A composition according to claim 5 wherein said copolymer has a molecular weight of about 30,000 to 500,000.
- 7. A composition according to claim 5 wherein said copolymer has a molecular weight of about 70,000.
- 8. A composition accordng to any one of claims 1 to 7 containing about 0.1 to about 7 wt. percent of said polyphosphate salt or mixture thereof.
- 9. A composition according to any one of claims 1 to 8 wherein said polyphosphate salt comprises a pyrophosphate.
- 10. A composition according to claim 9 wherein said pyrophosphate comprises tetrasodium pyrophosphate.
- 11. A composition according to any one of claims 9 or 10 containing about 0.1 to below 3% of pyrophosphate ion.
- 12. A composition according to any one of claims 9 or 10 containing about 0.1 to 1.3% of pyrophosphate ion.
- 13. A composition according to any one of claims 1 to 12 wherein the weight ratio of polyphosphate ion:polycarboxylate salt ranges from about 0.8:1 to about 1.2:1.
- 14. A composition according to any one of claims 1 to 13 in the form of a toothpaste or gel further containing a dentally acceptable polishing agent and a gelling agent.
- 15. A composition according to any one of claims 1 to 13 in the form of a mouthwash containing an aqueous alcoholic vehicle.
- 16. A composition accordng to any one of claims 1 to 13 in the form of a lozenge.
- 17. A composition according to any one of claims 1 to 13 in the form of chewing gum.
- 18. A composition according to any one of claims 1 to 17 having a pH of about 4.5 to about 10.
- 19. A method of inhibiting dental calculus comprising applying to dental surfaces in the oral cavity a calculus-inhibiting amount of a composition as defined in any one of claims 1-18.
Parent Case Info
This application is a continuation-in-part of application Ser. No. 842,101, filed Mar. 20, 1986, now U.S. Pat. No. 4,806,340 which is in turn a continuation-in-part of application Ser. No. 775,851, now U.S. Pat. No. 4,627,977.
US Referenced Citations (15)
Continuation in Parts (2)
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Number |
Date |
Country |
Parent |
842101 |
Mar 1986 |
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Parent |
775851 |
Sep 1985 |
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