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In this paper presents the gripping biomechanism of the dento-maxillary apparatus. Here are some important studies conducted worldwide on the structure, kinematics and dynamics of biomechanism. In the paper the authors present their experimental research conducted to determine the movements made by the biomechanism. Using data obtained from video films, and radiographs we identified in detail the permitted movements of temporomandibular joint. The kinematic equivalent diagram of mechanism was established. The kinematic calculations performed but not presented due to lack of space in the paper showed that the mechanism is optimal for the required movements.

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The jaw can be moved directly forward or backward; up and down, a pure hinge motion; a rotary movement on a vertical axis through one of the condyles; and rotation on a transverse axis passing from side to side through the mandibular or inferior dental foramina. To simulate the movement of the mandible can be achieved using a kinematics analysis of upper joints. The kinematics analysis of the mechanism is to determine the parameters of position, velocity and acceleration corresponding to all elements.