Dental Composition
AssigneeQueen Mary University of London
InventorsCorwin Ezra Hine, Mark Andrew Franks, Mangala Patel, Natalia Karpukhina, Robert Hill, Sandra Parker
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Abstract
The present invention provides dental compositions and devices comprising a rechargeable fluoride delivery system wherein the rechargeable fluoride delivery system comprises a layered double hydroxide with the formula M(II)1-x M(III)x (OH)2(An−)x/nyH2O where M(II) is a divalent cation, M(III) is a trivalent cation, A is an anion with a charge, x is a value between 0.2 and 0.33, y is an integer between 1 and 10 and n has a value of 1.
Claims12
A method of treating or preventing caries, the method comprising applying to a patient in need thereof a dental composition comprising a rechargeable fluoride delivery system, wherein the rechargeable fluoride delivery system comprises a layered double hydroxide with the formula:
- M(II)1-xM(III)x(OH)2(An−)x/nyH2O
- where,
- M(II) is a divalent cation;
- M(III) is a trivalent cation;
- A is a chloride anion;
- the ratio of 1-x to x is between 0.5 and 2.0;
- y is an integer between 1 and 10;
- and
- n has a value of 1.
(canceled)
A dental device incorporating a composition comprising a rechargeable fluoride delivery system wherein the rechargeable fluoride delivery system comprises a layered double hydroxide with the formula:
- M(II)1-xM(III)x(OH)2(An−)x/nyH2O.
12-13. (canceled)
Dependencies are inferred from the claim text.