| 摘要 |
The invention is to a liquid filled soft pouch attached to an upper partial or complete denture or a Hawley appliance for moisturizing a dry mouth (Xerostomia) the pouch having a fill valve and an exit valve, the latter operated by the tongue to permit exit of liquid, artifical salvia, to wet the mouth. The exit valve may be eliminated by employing a lower surface of the pouch which is porous so that it in effect sweats and liquid may be acquired by running the tongue over the porous surface.
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