| 摘要 |
PROBLEM TO BE SOLVED: To provide the subject preparation capable of preventing inflammation, dryness, or the like, inside the oral cavity for users of artificial tooth or bridged- type denture or in taking a dental impression. SOLUTION: This preparation is a collagen-containing liquid preparation ensuring the oral cavity mucosa to be protected by spraying or coating an artificial tooth, bridged-type denture or impression-taking material therewith to form a mucosa-protective film on the surface.
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