Dental articulator

A dental articulator comprising a lower part and an upper part;

• an articulator arm which in the working position thereof extends forwardly being arranged on respectively each said part, one of said articulator arms being mounted in swivel and sliding joints so as to be pivotable about a swivel axis extending at right angles to a vertical longitudinal center plane of said articulator;
• placement areas for a lower jaw tooth model and an upper jaw tooth model being provided on the sides of the respective articulator arms facing one another;
• centering devices detachably fastening the tooth models to the respective therewith associated articulator arm;
• at least one guide surface of the swivel and sliding joint of the upper part being adjustable and lockable in an adjusted position;
• at least two said upper parts being operatively associated with the articulator, at least one said upper part being adjustable and at least one other inadjustable upper part, each of said upper parts including means for mounting on a common lower part and being mountable on and dismountable from said common lower part, said centering device being arranged such that in the mounted position of the associated upper part it provides for an accurately fitting relationship with the centering device of the lower part.