Abstract
The purpose of this study was to analyze stresses induced in tenting screws by occlusal forces in a vertically augmented ridge, using a three-dimensional finite element analysis (FEA).The study was performed by means of FEA with the use of tenting screws that stabilize non resorbable membrane in a vertically augmented ridge. A customized three-dimensional analysis was performed by computer simulation to determine the pattern of stress distribution in tenting screws and the surrounding bone when applying axial and off-axial forces. The magnitude of the stresses in the model were calculated during these simulations. Based on these findings, different stress patterns on tenting screws with axial and off-axial forces did not cause mechanical instability. This study revealed that when applying vertical force, the maximum stress in the surrounding bone was found at the most coronal portion of it. The highest and lowest magnitude of stress can be seen at the top and end of screws, respectively. When oblique forc...
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