Mouthguard Articulator is a device on which stone imitation of the teeth can be placed in accordance with face-bow transfer. This instrument assumes Jaw Joints with its adjustable hinges. Mouthguard Articulator helps in realigning and reshaping of the incising and chewing surfaces of teeth. Dentists use this instrument in order to harmonize bite and jaw joints. The device enables the dentists to offer excellently precise simulations of the patient’s mandibular motions and ensures the occlusion accuracy of an operation for redressing a jaw joint. Articulator has made easy the fabrication of mouthguard in varied designs and dimensions. Thereby it has widened the application through verily accurately simulating the movement of a patient's jaw joints.