| abstract |
The present invention provides a film-form external preparation for periodontal disease having a long residence time in the oral cavity and a method for using the same. A film-form external preparation for periodontal disease that is applied to a user's teeth and / or gums during sleep to treat or prevent periodontal disease, and the film-form external preparation for periodontal disease is It contains at least a edible water-soluble film-forming compound and a medicinal component for treating or preventing periodontal disease, and is composed of two or more layers including a lowermost adhesive layer and a uppermost protective layer on the side to be directly attached to teeth and / or gums. The lowermost adhesive layer contains the above-mentioned medicinal ingredients, and the lowermost adhesive layer has higher adhesion to teeth and / or gums than the uppermost protective layer, and the uppermost protective layer However, the film-form external preparation for periodontal disease can be completely dissolved in the saliva and the method for the preparation of film-form external preparation for periodontal disease, which has a slower dissolution rate in the saliva than the lowermost adhesive layer. Settled. [Selection] Figure 1 |