| 摘要 |
Provided is an impression tray which enables impressions of upper and lower jaws to be taken at the same time, and on which an impression material can be heaped stably and sufficiently. An impression tray (10) that holds an impression material and that is inserted into an oral cavity to take an impression includes an outer frame (21) that curves and extends from a side to be arranged at an incisors side toward a side to be arranged at a molars side, an inner frame (22) that curves and extends with a predetermined distance away from the outer frame, a connecting part (23) that is a linear member that one end of which is fixed to the outer frame and another end of which is fixed to the inner frame, the connecting part keeping a positional relationship between the outer frame and the inner frame, a face material (24) that is spread over the distance between the outer frame and the inner frame, and a handle (30) that is arranged at a face of the outer frame, the face being at the side to be arranged at the incisors side. A portion of the outer frame at the incisors side is formed highest position, height of the portion being kept for no less than 2 mm and no more than 15 mm toward the molars side. |
