an articulator in which all natural chewing movements and the biting movement shall be simulated . to this end a fixture is positively guided by means of a spring loaded elongated shaft relative to a base in three degrees of freedom . the positive movement proceeds via the longitudinal shaft as well as slanted surfaces extending obliquely relative to the longitudinal shaft and additionally a cam member including a cam follower is provided which determine the path of movement in the three axes of the articulation . in order to allow the occlusion the fixture can be pivoted relative to the base around a lateral shaft .