DENTINAL TUBULE SEALANT AND METHOD FOR PRODUCING THE SAME
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United States of America Patent
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Issued Date -
Jul 25, 2013
app pub date -
Sep 30, 2011
filing date -
Oct 6, 2010
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Abandoned
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Abstract
A dentinal tubule sealant comprises poorly-soluble calcium phosphate particles (A), a phosphorus-free calcium compound (B), and water (C), wherein the particles (A) are at least one member selected from the group consisting of dicalcium phosphate anhydrous [CaHPO4] particles, α-tricalcium phosphate [α-Ca3(PO4)2] particles, β-tricalcium phosphate [β-Ca3(PO4)2] particles, amorphous calcium phosphate [Ca3(PO4)2.nH2O] particles, calcium pyrophosphate [Ca2P2O7] particles, calcium pyrophosphate dihydrate [Ca2P2O7.2H2O] particles, octacalcium phosphate pentahydrate [Ca8H2(PO4)6.5H2O] particles, and dicalcium phosphate dihydrate [CaHPO4.2H2O] particles, and the dentinal tubule sealant contains 30 to 76% by weight of the particles (A), 0.001 to 4% by weight of the compound (B), and 23 to 69% by weight of the water (C). Thus, there is provided a dentinal tubule sealant capable of sealing dentinal tubules of an exposed dentin and also remineralizing the surrounding dentin after the sealing.
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