Dual component dentifrice for fluoridating teeth

Details Dual component dentifrice for fluoridating teeth Dual component dentifrice for fluoridating teeth

A - Human Necessities

61

K

A61K 8/21 (2006.01) A61Q 11/00 (2006.01)

Patent

CA 2286059

A composition and method is disclosed for fluoridating teeth using a two component dentifrice system in which the first component is stable, semi- solid, extrudable dentifrice composition containing a fluoride ion releasable hydrolyzable complex fluoride compound such as sodium fluorosilicate, in an aqueous vehicle in which a carrageenan gum having major kappa and lambda forms as the primary thickening agent and the abrasive is a silica providing an acid pH when slurried with water, and the second component is a semi-solid, extrudable dentifrice composition containing a calcium ion releasable compound and the abrasive and carrageenan gum in an aqueous vehicle. The first and second dentifrice compounds are maintained separate from the other until mixed for application to teeth.

L'invention concerne une composition et un procédé pour fluorer la dentition, avec un système de pâte dentifrice à deux constituants. Le premier constituant est une composition de dentifrice stable, semi-solide et extrudable renfermant un complexe de coordination fluoré libérable hydrolysable à ions de fluor (par exemple, fluorosilicate de sodium), dans un excipient aqueux où l'on a introduit comme épaississant primaire une gomme de carraghénane ayant des formes kappa et lambda majeures, et comme abrasif une silice donnant un pH acide lorsqu'elle est mélangée en suspension épaisse avec de l'eau. Le second constituant est une composition de dentifrice semi-solide et extrudable renfermant un composé libérable à ions de calcium et l'abrasif ainsi que la gomme de carraghénane dans un excipient aqueux. Les premier et second constituants sont maintenus séparés l'un de l'autre jusqu'à leur mélange aux fins d'application sur la dentition.

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