The present invention when mounted, eliminating the foreign body sensation or discomfort caused by the contact of the tongue body surface and the tip of the tongue, to provide the upper jaw for dentures suppressing the foreign body rejection. The apparatus includes a gum fitted part 3 with a recess artificial tooth is fitted in the gums of the upper jaw in the oral cavity are arranged in horseshoe-shaped, on which forms the arched palate (the oral cavity of the upper jaw and palate junction 4 is engaged interview on the wall) is being formed continuously in one piece. The contact surface 6 of the tongue body in the palate junction 4, configure-sensitive tongue surface 11 which has been subjected to processing that gives the normal sense of the tongue body. .BACKGROUND【課題】装着時、舌体表面や舌先の接触による異物感や違和感をなくし、異物拒絶反応を抑制する上顎用入れ歯を提供する。【解決手段】人工歯が馬蹄型状に並設され口腔内の上顎部の歯茎に嵌装される凹部を備えた歯茎嵌装部3と、上顎部の口蓋(口腔内のアーチ型をなす上壁)に面接合される口蓋接合部4とが一体に連成されてなる。口蓋接合部4における舌体との接触面6を、舌体に常態感を与える加工を施した感舌面11で構成する。【選択図】図1
