Dental whitening systems comprising transition metal salt...

Details Dental whitening systems comprising transition metal salt... Dental whitening systems comprising transition metal salt...

A - Human Necessities

61

K

A61K 8/19 (2006.01) A61K 8/24 (2006.01) A61K 8/25 (2006.01) A61K 8/34 (2006.01) A61K 8/38 (2006.01) A61K 8/42 (2006.01) A61K 8/46 (2006.01) A61K 8/55 (2006.01) A61K 8/73 (2006.01) A61Q 11/00 (2006.01) A61Q 11/02 (2006.01)

Patent

CA 2587077

A system and method for tooth whitening are disclosed wherein at least one peroxide-containing gel and at least one transition metal compound- containing gel, particularly at least one lower atomic number transition metal compound, more particularly at least a ferrous compound including gluconate, sulfate, nitrate, acetate or mixtures thereof, are applied to a patient's mouth. Gelling agent is also included. The activation of the peroxide whitens the patient's teeth. The system may be used with or without the application of light. The system further provides an additional gel including a sensitivity reduction compound including potassium nitrate, sodium nitrate or mixtures thereof for possible sensitivity treatment if needed.

L'invention concerne un système et un procédé destinés à blanchir les dents contenant au moins un gel à base de peroxyde et au moins un gel contenant un composé de métal de transition, notamment au moins un composé de métal de transition à nombre atomique inférieur, plus particulièrement au moins un composé ferreux contenant du gluconate, du sulfate, du nitrate, de l'acétate ou des mélanges de ceux-ci, appliqués dans la bouche du patient. Un agent gélifiant y est également contenu. L'activation du peroxyde blanchit les dents du patient. Le système peut être utilisé avec ou sans application de lumière. Le système fournit en outre un gel supplémentaire contenant un composant de réduction de la sensibilité à base de nitrate de potassium, de nitrate de sodium ou des mélanges de ceux-ci pour un traitement contre une sensibilité si cela est nécessaire.

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