Modeling of the dynamic loads of the human stomatognathic system during biting off

Abstract eng:
In physiological conditions, food is a factor having a significant bearing on the values of the loads acting on the stomatognathic system. On the basis of the mechanical properties of the food the brain coordinates and regulates the activity of the muscles in such a way that they generate a proper bite force adjusted to the foodstuff being eaten. The investigations were divided into two stages: 1) experimental tests and 2) numerical simulations. In the first stage, classic force-displacement characteristic curves were determined for the food while in the second stage, the curves were used as a dynamic stomatognathic system model load function. One of the most important results of this research is the proof that there is a full dependence between the food and the muscular forces and the temporomandibular joint (TMJ) reactions.

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