Model 3040 Incorporating a new frame design featuring: Tracking fossae which allow upper and lower frames to remain together during excursive movements Wide posterior access which gives enhanced visibility and lingual access Durable Delrin® condyle elements which provide silky-smooth condylar movements Single centric lock which engages with a simple finger movement “Accumount System” of Interchangeability which allows accurate interchanging of casts between articulators Generous interframe distance for bulky casts and die systems Condyle release mechanisms to permit easy separation of upper and lower frames, if desired Condylar guidance featuring: Adjustable condylar inclination Progressive side shift Fixed intercondylar distance of 110 mm Model 3140 The MODEL 3140 is identical to the MODEL 3040 ARTICULATOR, but offers a different type of condylar guidance. Each condylar guide assembly has the lower wall reduced which allows the articulator to function like an open fossa articulator during excursive movements and a closed tracking articulator during simple hinge movement. *Both models are recommended for dentures