Device and method for delivering an oral care agent

A - Human Necessities – 61 – C

Patent

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Details

A61C 9/00 (2006.01) A61C 5/00 (2006.01) A61C 15/00 (2006.01) A61L 27/32 (2006.01)

Patent

CA 2586853

An oral care agent delivery device is provided which comprises a permanently deformable backing layer, an oral care layer, and a non-woven binding material with a first part that is substantially invested in the oral care layer and a second part that is substantially invested in the backing layer. The device is sized to fit over a plurality of teeth in an upper or lower dental arch of a subject. The oral care layer comprises at least one oral care agent and at least one hydrophilic polymer. When hydrated, the oral care layer has an adhesiveness relative to the surface of a user's teeth that is sufficient to retain the device on the user's teeth when placed thereon. The device can also have an oral care agent which is activated on hydration of the oral care layer, or an oral care layer which releases the oral care agent over time.

La présente invention concerne un dispositif d'apport d'agent de soin oral qui comprend une contre couche déformable de façon permanente, une couche de soin oral et un matériau de liaison non-tissés avec une première partie sensiblement investie dans la couche de soin oral et une seconde partie sensiblement investie dans la contre couche. Ce dispositif est dimensionné de façon à s'adapter sur une pluralité de dents de la mâchoire inférieure ou supérieure d'un sujet. La couche de soin oral comprend au moins un agent de soin oral et au moins un polymère hydrophile. Lorsqu'elle est hydratée, la couche de soin oral possède une adhérence par rapport à la surface des dents de l'utilisateur suffisante pour retenir ce dispositif sur les dents lorsqu'il est placé sur celle-ci. Ce dispositif peut aussi posséder un agent de soin oral qui est activé lors de l'hydratation de la couche de soin oral ou, une couche de soin oral qui libère de manière prolongée l'agent de soin oral.

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