CRESCENT STEPHAN MODEL “A” ARTICULATOR IS USED FOR PARTIALS, CENTER SPRING WITH ADJUSTABLE TENSION, SMOOTH BRASS CASTINGS WITH NICKEL PLATING, CENTER BAR IN BOTH UPPER & LOWER BOW FOR MAXIMUM PLASTER RETENTION & STRENGTH. WIDTH AT THE JOINT OF 29, & VERTICAL SPAN WHEN BOWS ARE PARALLEL OF 21/8\". REPRODUCE ALL ANATOMICAL MOVEMENTS. UPPER AND LOWER SECTIONS MAY BE SEPARATED OR ASSEMBLED QUICKLY. OPEN CONSTRUCTION PROVIDES FREE ACCESS TO LINGUAL SURFACES. ANATOMICAL IN EVERY RESPECT
![Model \"A\" Crescent Stephan Articulator](https://www.dentistsmind.com/image/cache/data/products/dental_instruments/31_articulators/25-500x500.jpg "Model \\"A\\" Crescent Stephan Articulator")