Using a set of upper jaw impression tray and a lower jaw impression tray to take the impression from edentulous patient, simply to provide a method for manufacturing a total denture base to be able to produce a total denture base. Each U-shaped groove the protrusion 1 on the back side of the impression material is piled on the surface side is projected into a set of impression trays made of maxillary impression tray 3 and a lower jaw impression tray 4 and having, respectively prime the impression material, along with the to be pressed against the alveolar ridge curing of the oral cavity and piled the impression material, while the is brought into contact with at least part of the flat top surface of the protruding portion 1 of each other each impression tray 3, 4 bite position and height, cured boost the impression material between the back side of each impression tray 3 and 4 in the state, and each impression tray 3 and 4 the impression material the upper and lower jaws from the mouth piece, or the upper and lower jaw separately removal, injected model material for each impression material of the upper and lower jaws to prepare the edentulous jaw model is cured, mounted radio tooth jaw model in an articulator in a state that reflects the occlusal position and height previously determined and, to produce a total denture base.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を使用して、簡便に総義歯床を作製することができる総義歯床の作製方法を提供する。表面側に印象材が盛られ裏面側に突起部1が突設されているU字状溝をそれぞれ有する上顎印象トレー3と下顎印象トレー4とから成る一組の印象トレーにそれぞれ印象材を盛り、盛られた印象材を口腔内の歯槽堤に押し当て硬化させると共に、各印象トレー3,4の互いの突起部1の平らな頂面の少なくとも一部を当接させながら咬合位置及び高さを決め、その状態で各印象トレー3,4の裏面間に印象材を盛り上げ硬化させ、各印象トレー3,4とその印象材を口腔内から上下顎一体、あるいは上下顎別々に取り外し、上下顎の各印象材に模型材を注入し硬化させて無歯顎模型を作製し、先に決めた咬合位置及び高さを反映させた状態で該無歯顎模型を咬合器に装着して、総義歯床を作製する。
