Dentifrice abrasive compositions

Drug – bio-affecting and body treating compositions – Dentifrices – Fluorine or fluorine compound containing

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A61K 718

Patent

active

052798151

ABSTRACT:
Novel precipitated silicon dioxide abrasive compositions which can be incorporated into therapeutic toothpaste compositions containing soluble fluoride salts are disclosed. The abrasives comprise low structure, high fluoride compatible amorphous precipitated silicon dioxides (silicas) having a controlled refractive index for use in low water clear gel dentifrice applications. Also provided are methods for preparation of the novel silicon dioxide abrasives and resulting toothpaste formulations containing such abrasives.

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