Analysis of Stress Trajectories in Human Adult Cleft Skull.

The craniofacial skeleton is designed to withstand the functional forces during mastication. Distribution of these forces is along the stress trajectories that can vary in a cleft skull compared with a normal skull. In this study, the authors constructed finite element models of cleft and normal skull and subjected them for occlusal loading in the posterior teeth. The results showed variation in the trajectories between the models and between the cleft and noncleft sides within the cleft model. (C) 2017 by Mutaz B. Habal, MD.

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