Abstract
The purpose of this study was to evaluate the stress distribution on newly developed alumina based dental crown (incisor) for understanding its biomechanical effects by Finite Element Analysis (FEA). Alumina based dental crown was fabricated through green machining of machinable alumina cylindrical compacts by Computer Numerical Control (CNC) followed by sintering at 1550°C. Alumina crown (Incisor) was scanned by using 3D laser scanner and modified subsequently before assembled in a 3D finite element model. The 3D model was constructed and analyzed under ANSYS environment. The model developed high stress values at the upper frontal and basal region. The large stress concentration factors and narrow profile of the upper region and the arrested base are believed to have been responsible for the high stress values. Since the stresses were lower than the compressive strength of the material, the crown is expected to withstand real-time static loading.
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