A dental appliance (1) comprising a tongue support element (1) provided with a tongue recess (2) having a concave inner surface and a convex outer surface and a tooth support element (3) having upper and lower chew surfaces (4a, 4b) , The upper and lower biting surfaces are arranged on the outer side of the tongue recess (2), the upper biting surface (4a) coincides with the lower biting surface (4b) only on the opposite side of the tongue recess (2) A first end (5) of the inner surface of the tongue recess is located between the upper and lower biting surfaces (4a, 4b) of the tooth supporting element (3). The inner surface (6) of the tongue recess is arranged transversely to the tooth support element (3) and the inner surface (6) of the tongue recess accommodates the patient's tongue and places it on the side in the oral cavity, And a part thereof is arranged between the two biting surfaces (4a, 4b).(FIG.凹状内面および凸状外面を有する舌用凹部(2)が設けられた舌支持要素(1)と、上部および下部噛み面(4a、4b)を有する歯支持要素(3)とを備えた歯科器具において、上部および下部噛み面は舌用凹部(2)の外面側に配設され、上部噛み面(4a)は舌用凹部(2)の反対側においてのみ下部噛み面(4b)と一致し、舌用凹部の内面の第１の端部(5)が歯支持要素(3)の上部および下部噛み面(4a、4b)の間に位置している。舌用凹部の内面(6)は歯支持要素(3)に対し横向きに配され、舌用凹部の内面(6)は患者の舌を収容してこれを口腔内の側部に置き、舌の一部を両噛み面(4a、4b)間に配するように構成されている。【選択図】図４
