Treatment for dentin sensitivity with aqueous dispersions of...

A - Human Necessities – 61 – K

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A61K 8/81 (2006.01) A61P 1/02 (2006.01) A61Q 11/00 (2006.01)

Patent

CA 2365254

A desensitizing agent for the cleaning and treatment of sensitive teeth comprising a copolymer having repeating hydrophobic and hydrophilic regions. Preferred examples include polysoaps such as: a monovalent salt of a hydrolyzed copolymer of an .alpha.-olefin and maleic anhydride; e.g., structurally represented in Formula (I). When applied thereon by brushing or rinsing or other method of application, the copolymers occlude the tubules and seal them off from the external oral environment and thereby alleviate the pain caused by the tooth's sensitivity.

Un agent désensibilisant utilisé pour le nettoyage et le traitement des dents sensibles comprend un copolymère formé de régions hydrophobes et hydrophiles récurrentes. Des exemples préférés concernent des polysavons tels que : un sel monovalent d'un copolymère hydrolysé d'une alpha-oléfine et d'anhydride maléique, par exemple représenté par la structure (I). Lorsqu'on applique les copolymères par brossage ou par rinçage ou à l'aide de tout autre procédé d'application, sur des tubules, lesdits copolymères obstruent ces derniers et les isolent de l'environnement oral extérieur, ceci ayant pour effet de soulager la douleur provoquée par la sensibilité des dents.

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