An impression tray set for edentulous jaws, which consists of a pair of upper and lower jaw impression trays for taking impressions from edentulous patients and can simultaneously record occlusal position and height data when taking impressions I will provide a. An edentulous jaw impression tray set is formed on the back side of a tray main body portion 4 having a U-shaped groove on which an impression material is placed on the front surface side, and a U-shaped groove portion where the jaw ridge of the front tooth portion is located. The upper jaw impression tray 1 and the lower jaw impression tray 2 formed from a handle portion 6 that is detachably attached to the stop portion, and at least a part of the flat top surface 7a of each other is taken when taking an impression. A protrusion 7 for determining the occlusal position and height in the contacted state is a U-shape for positioning the ridge from the first molar part to the premolar part in each of the upper jaw impression tray 1 and the lower jaw impression tray 2. Each of the left and right portions of the groove is protruded from the back surface.無歯顎患者から印象を採るための一組の上顎印象トレーと下顎印象トレーとから成り、印象を採る際に咬合位置や高さのデータも同時に記録することができる無歯顎用印象トレーセットを提供する。無歯顎用印象トレーセットを、表面側に印象材が盛られるＵ字状溝を有するトレー本体部４と、前歯部の顎堤を位置させるＵ字状溝の部位の裏面に形成された係止部に、着脱自在に装着されるハンドル部６とから形成されている上顎印象トレー１と下顎印象トレー２とから構成させ、印象を採る際に互いの平らな頂面7aの少なくとも一部を当接させた状態で咬合位置及び高さを決めるための突起部７を、上顎印象トレー１と下顎印象トレー２のそれぞれにおいて、第一臼歯部から小臼歯部までの顎堤を位置させるＵ字状溝の左右の各部位の裏面に、それぞれ突設させる。
