| 摘要 |
<p>The device, for cleaning, hygiene and prophylaxis of teeth and mouth, consists of an aerosol container for a liquid compsn. of water, fluoride, flavourings, freshening agents, medicaments and pharmaceuticals; a valve with diffuser knob attached to the container for release of the contents; a tube connecting the container to an applicator for liquid and powder; an aerosol container for powder, with a diffuser knob; a metal applicator of variable shape, formed by two or mroe pipes for independent circulation of powder and liquid; and outlets for powder and liquid from the applicator.</p> |
