Comparative Evaluation of Stress Distribution in Class V Cavity Restored with Alkasite Glass Ionomer Cement, Nano Filled Resin Modified Glass Ionomer Cement & Nano-hybrid Composite Using Finite Element Analysis
International Journal of Research and Reports in Dentistry,
Page 1-8
Abstract
Background: Causes of failures in class V restorations have always been controversial until now since the biomechanical aspects of these restorations have been understood.
Aim: To comparatively evaluate the stress distribution of a class V restoration in a lower first premolar using a two-dimensional plane strain finite element model.
Materials and Methods: The study was done by modelling a mandibular first premolar which was sectioned buccolingually, in the Ansys 14.5 finite element software. A 100N eccentric load was applied on the tooth structure and stresses were observed at the peripheries of the class V restoration when it was restored with Centurion N, Giomer and Ketac N100 respectively. Finite element analysis has been used to evaluate the stress distribution.
Results: Alkasite glass ionomer cement & Nanohybrid composite values were comparable to withstand masticatory forces but depicted significantly higher resistance to masticatory load when compared to nano-filled resin-modified glass ionomer cement.
Conclusion: Alkasite glass ionomer cement & Nanohybrid composite are suitable restorative material for class V restorations because of low-stress transfer to the tooth.
Keywords:
- Alkasite glass ionomer cement
- nano filled resin-modified glass ionomer cement
- nano-hybrid composite
- finite element analysis.
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References
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