In order to use the Dinar articulator to diagnose conductor paths of movement and to fabricate accusal restorations. The operator must be familiar with the proper hand grasps for manipulating the articulator and have knowledge of the articulator conductor controls and how they can be adjusted. This scene demonstrates the proper method for disassembly and assembly of the bows of the articulator to disassemble, lift the upper bow straight up to reassemble seat, the far con dial in its Fassa and rotate the lower bow to seat the near con dial in its fossa equivalent movements can also be accomplished when the articulator is resting on a surface. The two bows of the instrument lock together when the articulator is rotated, open, the centric latch is operated with the thumb and index finger of the left hand. The left thumb is also used to apply necessary pressures to the back of the upper bow. In effecting excursive movements to use an ACON articulator correctly. The operator must learn the hand grasps which are used to apply pressure to the top back of the upper bow to ensure that the orbiting and rotating con dials maintain contact with their guiding fossil walls. A right handed operator curls the fingers of the left hand under the mandibular crossbar and guides the back of the upper bow with the left thumb during lateral excursive movements. Using the underhand push full grasp. This same left hand position is used in the underhand protrusive push grasp. The operator must also master the one hand grasps. So his other hand can be free to adjust the articulator to pan graphic records. Therefore, the hand grasps most frequently used in the laboratory are the overhand push the overhand pull and the overhand protrusive. The dinar articulator has fully adjustable conductor controls by loosening the protrusive conductor path adjustment, lock screw, the angle of the protrusive condo path can be changed. The inclination of the protrusive conductor path from the horizontal reference plane is calibrated on a scale in increments of five degrees. The immediate side shift adjustment allows the medial fossil wall to be relocated more immediately to provide for a greater straight lateral bodily side shift of the mandible. Before the orbiting con dial advances. The immediate side shift adjustment has a vernier scale calibrated in increments of 2/10 of a millimeter. The progressive side shift adjustment is indicated on a scale calibrated in increments of five degrees. It allows the angle of a medial fossil wall to be changed in relation to the sagittal plane by setting the left fossa controls to allow for a one millimeter immediate side shift and a 20 degree progressive side shift and observing the articulator movements from the back of the articulator. We can note that in the right lateral mandibular movement, the right rotating con dial and mandible move immediately to the right as the mandible leaves centric relation and then it moves progressively more to the right. As the left orbiting con dial advances, the timing of the bodily side shift of the articulator is dictated by the immediate and progressive side shift. Adjustments of the medial fossil wall on the orbiting side. When the left medial fossil wall is adjusted to allow the con dial to move downward forward and inward. And in an immediate and progressive side shift, the orbiting con di is guided by its superior and medial fossil walls. As the mandible moves bodily to the patient's right. In this excursive movement, the right rotating con di moves outward, guided by its superior and rear fossil walls. These guiding surfaces which govern the outward movement of the rotating condi can also be adjusted on the articulator to simulate the patient's condi paths of movement. The rear wall adjustment enables the inclination of the rear wall to be adjusted forward or backward. The rear wall adjustment scale is marked in increments of five degrees. It is marked F and B to indicate a forward or backward setting. The top wall adjustment enables the inclination of the faucet to be adjusted media laterally so that it will guide the rotating con dial either out and down or out and up in a lateral excursive movement. The top wall adjustment scale is on the posterior aspect of the Fassa and is calibrated in increments of five degrees. It is marked D and U to indicate either out and down or out and up in order to become proficient in handling, the dinar articulator rehearse the different hand grasps used to manipulate the articulator and practice the setting of the various Congar adjustments.