| abstract |
(57) [Problem] In a dental field, when taking an impression using a resin tray and an alginate impression material, when the tray is removed from the patient's mouth, the tray and the hardened impression material peel off. To prevent SOLUTION: As an adhesive between a resin tray and an alginate impression material, 100 parts by weight of an organic solvent such as an alcohol compound, a ketone compound, and an ester compound are mixed with an ultrafine silica, an ultrafine alumina, an ultrafine zirconia, and the like to have an average particle size of 10 μm. An adhesive in which 0.1 to 10 parts by weight of the following fine powder is dispersed is used. |