An upper jaw impression tray on which an impression material for obtaining an impression on the upper jaw in the oral cavity is arranged, an impression tray on which an impression material for obtaining an impression on the lower jaw is obtained in the oral cavity, the upper jaw impression tray and the lower jaw impression tray And a support plate for supporting the upper jaw impression tray and the lower jaw impression tray so as to be movable in the front-rear direction, respectively.口腔内で上顎側の印象を採得する印象材が盛られる上顎印象トレーと、前記口腔内で下顎側の印象を採得する印象材が盛られる下顎印象トレーと、前記上顎印象トレーと前記下顎印象トレーとの間に設けられ、前記上顎印象トレー及び前記下顎印象トレーを、それぞれ前後方向に移動可能に支持する支持プレートと、を有する歯科用トレーシステム。
