Comparative Evaluation Of Polymerisation Shrinkage,Flexural Strength And Elastic Modulus Of Silorane,Ormocer And Dimethacrylate Based Composites- An In-Vitro Study
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2018, Vol 17, Issue 5
Abstract
Composites are widely used materials in restorative dentistry. But like other materials they do have their disadvantages for example polymerization shrinkage which gradually leads to, stress at the toothrestoration margins causing marginal discoloration, post- operative sensitivity and recurrent caries. The composite restorations are also subject to masticatory forces and flexural stresses. So, the analysis of volumetric shrinkage, elastic modulus and flexural strength, is crucial in predicting the clinical success of composites.Some new materials have been introduced nowadays, which claim to overcome such shortcomings, eg silorane-based composite and ormocer-based composites.The purpose of this study is to compare the volumetric shrinkage,elastic modulus and flexural strength of silorane and ormocer based composites to the conventional dimethacrylate based composites,and to judge the clinical worth of these materials
Authors and Affiliations
Dr. Himani Tomar, Dr. Ekta Choudhary
Keywords
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