Oral Care Composition Comprising Arginine and Calcium Carbonate
First Claim
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1. A dentifrice composition comprisinga. an effective amount of a basic amino acid in free or salt form;
- b. an abrasive comprisingi. natural calcium carbonate (NCC) having an average particle size of 3-7 microns; and
ii. precipitated calcium carbonate (PCC);
wherein the composition has a Pellicle Cleaning Ratio (PCR), of at least 70, and a Radioactive Dentine Abrasivity (RDA) value of less than 140 and the ratio of natural calcium carbonate to precipitated calcium carbonate is from 1;
1 to 1;
5.
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Abstract
This invention relates to oral care compositions comprising a basic amino acid or salt thereof, and an abrasive system comprising natural calcium carbonate and precipitated calcium carbonate; and to methods of using and of making these compositions.
40 Citations
23 Claims
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1. A dentifrice composition comprising
a. an effective amount of a basic amino acid in free or salt form; -
b. an abrasive comprising i. natural calcium carbonate (NCC) having an average particle size of 3-7 microns; and ii. precipitated calcium carbonate (PCC); wherein the composition has a Pellicle Cleaning Ratio (PCR), of at least 70, and a Radioactive Dentine Abrasivity (RDA) value of less than 140 and the ratio of natural calcium carbonate to precipitated calcium carbonate is from 1;
1 to 1;
5.- View Dependent Claims (2, 4, 5, 6, 8, 9, 11, 12, 13, 14, 15, 16, 17, 18, 20, 21, 22, 23)
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18. A method comprising applying an effective amount of the oral care composition of claim 1 to the oral cavity of a subject in need thereof, to
a. reduce or inhibit formation of dental caries, b. reduce, repair or inhibit pre-carious lesions of the enamel, c. reduce or inhibit demineralization and promote remineralization of the teeth, d. reduce hypersensitivity of the teeth, e. reduce or inhibit gingivitis, f. promote healing of sores or cuts in the mouth, g. reduce levels of acid producing bacteria, h. to increase relative levels of arginolytic bacteria, i. inhibit microbial biofilm formation in the oral cavity, j. raise and/or maintain plaque pH at levels of at least pH 5.5 following sugar challenge, k. reduce plaque accumulation, l. treat, reduce, relieve or alleviate dry mouth, m. whiten teeth, n. reduce erosion, o. promote systemic health, p. immunize teeth against cariogenic bacteria; - and/or
q. clean teeth and oral cavity.
- and/or
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20. The composition according to claim 1, wherein the basic amino acid in free or salt form is arginine bicarbonate and is present in an amount corresponding to 1% to 15% of the total composition weight, the weight of the arginine bicarbonate being calculated as free base form and the ratio of natural calcium carbonate to precipitated calcium carbonate is from 1:
- 2 to 1;
3.
- 2 to 1;
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21. The composition according to claim 1, wherein the basic amino acid in free or salt form is arginine bicarbonate, the natural calcium carbonate is present in an amount of 5%-20% by weight of the composition, the precipitated calcium carbonate is present in an amount of 10% to 35% by weight of the composition and the ratio of natural calcium carbonate to precipitated calcium carbonate is from 1:
- 2 to 1;
3.
- 2 to 1;
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22. The composition according to claim 20, further comprising an effective amount of a fluoride source.
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23. The composition according to claim 21, further comprising an effective amount of a fluoride source.
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3. (canceled)
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7. (canceled)
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10. (canceled)
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19. (canceled)
Specification