Microencapsulated compositions and methods for tissue...

A - Human Necessities – 61 – K

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A61K 9/50 (2006.01) A61J 3/07 (2006.01) A61P 1/02 (2006.01) A61K 33/00 (2006.01)

Patent

CA 2759275

The present invention is directed to compositions, products and methods useful for bone and tooth mineralization. The compositions comprise polymer microcapsules containing aqueous salt solutions. The shells of the microcapsules can be semi- permeable or impermeable. Solutions of calcium, fluoride and phosphate salts are particularly useful in the compositions of the invention. The microcapsules are preferably prepared by surfactant free inverse emulsion interfacial polymerization. Bone products include cements, scaffolds and bioactive glass. Dental products include pastes, gels, rinses and many other dental materials.

La présente invention porte sur des compositions, des produits et des procédés utiles pour la minéralisation des os et des dents. Les compositions comportent des microcapsules polymères contenant des solutions salines aqueuses. Les coques des microcapsules peuvent être semi-perméables ou imperméables. Des solutions de sels de calcium, de fluorure et de phosphate sont particulièrement utiles dans les compositions de l'invention. Les microcapsules sont, de préférence, préparées par une polymérisation interfaciale à émulsion inverse exempte d'agent tensioactif. Les produits pour les os comprennent des ciments, des échafaudages et des verres bioactifs. Les produits pour les dents comprennent des pâtes, des gels, des produits de rinçage et de nombreux autres matériaux dentaires.

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