The invention refers to a dental prosthesis stabilizer (1) which is provided with two arms (2, 3) which are connected to each other by means of a hinge joint (4) and with which an upper dental prosthesis and a lower dental prosthesis are coupled to one another, whereby a spring (5, 51) is provided at the hinge joint (4) with which the upper prosthesis and the lower prosthesis are pushed away from each other. According to one embodiment of the invention the spring (5, 51) is an extension spring and/or is made of titanium or a titanium alloy.