| 摘要 |
From prior oral hygiene devices, this invention, in its preferred embodiment, is dry and intended for oral use in cleaning and polishing the teeth and for cleaning the gums, tongue, and surrounding mucosa of the mouth and in plaque removal, with the user's own mouth furnishing the only liquid required, which reconstitutes, in situ, the ingredients which are dehydrated and/or impregnated within a membrane.
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