Evaluation of flexural strength of glass carbomer cement and conventional glass ionomer cement
A comparative study
Keywords:
glass ionomer cement, carbomer, flexural strengthAbstract
Background: The conventional glass ionomer cement (GIC) has been advocated as a restorative material because of its ability to chemically bond to tooth structures and release fluoride.Recently, glass carbomer cement, a GIC-based restorative material, has been introduced with claims of improved physical characteristics. Hence; the present study was conducted for comparing the Flexural Strength of Glass Carbomer Cement and Conventional Glass Ionomer Cement.Materials & methods: The present study was conducted for comparing the Flexural Strength of Glass Carbomer Cement and Conventional Glass Ionomer Cement. Study moulds were made out of silicone putty material. Stainless steel scaffolding was used for creating a mould of desired dimensions. Total 40 specimens were prepared and divided into two study groups with 20 specimens in each group. One group was of conventional GIC while the other group was GCC.After preparation of the specimen, testing of flexural strength was done using universal force testing machine. All the results were recorded, analysed and compared. Results: Mean flexural strength of GIC and GCC was 28.3 MPa and 26.9 MPa respectively. Non-significant results were obtained while comparing the mean flexural strength of GIC and GCC. Conclusion: Flexural strength of glass carbomer cement was similar to conventional glass ionomer cement.
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