Material intended to remineralise organomineral tissues

A - Human Necessities – 61 – K

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Details

A61K 6/00 (2006.01) A61K 6/02 (2006.01) A61K 6/033 (2006.01) A61K 6/08 (2006.01) A61L 27/00 (2006.01) A61L 27/54 (2006.01) A61P 1/02 (2006.01) A61P 19/08 (2006.01)

Patent

CA 2277020

Together with other accessories components, the material comprises a mixture of ion exchange resins, cationic and anionic, charged with Ca2+, F- and PO43- ions, with an approximative molar ratio of 2:1:1, respectively. The specially preferred material is the material when the resins have additionally a charge of Zn2+ ions which represents a proportion smaller than 1 %, preferably closed to 0.2 %, of the dry weight of the resin. The preferred resins are those of which the base is cross-linked polystyrene with a 2-14 % of divinylbenzene. The material is useful as primary filler in the treatment of dental decay, specially in deep caries, through remineralisation of the dentine with a composition quite similar to the original, as well as a high microhardness. It is also useful as component of toothpastes, elixirs and dental floss.

Outre d'autres composants accessoires, ledit matériau comprend un mélange de résines à échange d'ions, cationiques et anioniques, chargées d'ions Ca?2+¿, F?-¿ et PO¿4??3-¿, dans un rapport molaire approximatif de 2:1:1 respectivement. Un mode de réalisation préféré utilise un matériau dans lequel les résines possèdent en outre une charge d'ions Zn?2+¿ inférieure à 1 %, de préférence avoisinant 0,2 % du poids de la résine sèche. Les résines préférées sont celles dont la base est constituée de polystyrène réticulé avec environ 2 à 14 % de divinyl-benzène. Le matériau sert de premier remplissage dans le traitement des caries, particulièrement des caries profondes, ce qui permet une reminéralisation de la dentine avec une composition très proche de l'originale, ainsi qu'une microdureté élevée. Il est aussi utile comme composant pour les dentifrices, notamment les pâtes dentifrices, les élixirs et les fils dentaires.

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