Hokkaido University Research Profiles

Japanese

adhesive gel: 1

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  • Application of Adhesive Gels to Intraoral Devices

    Innovation for maintaining intraoral devices with adhesive gel

    Intraoral appliances used in dentistry need to be clasped or otherwise attached to the teeth to remain in place. This research involves the development of prototype intraoral floor appliances (e.g., palatal obturator) that are attached to the skin or mucosal side of a polycarbonate frame using PCDME or other types of adhesive gel.

    Research

    When an intraoral appliance in this study is used as a palatal obturator, it does not require a clasp, unlike conventional palatal obturators (Fig. 1), because the adhesive gel can be fixed by contact with the oral mucosa. As a result, gingivitis caused by the clasp can be reduced; interference with the sideways growth of the row of teeth can be avoided; it can be comfortably worn without a sense of tightness or pressure; and it is safe to put on and take off the palatal obturator without damaging the oral cavity. It can also be worn before the teeth have erupted, allowing language training to begin at an early stage. The gel can also be thinly spread on the thin frame, and a uniform thickness can be obtained. This reduces the sense of discomfort when wearing the product and ensures a larger oral space, which is effective for language training by expanding the area where the tongue can move.