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ORIGINAL ARTICLE
Year : 2020  |  Volume : 23  |  Issue : 6  |  Page : 550-553

Evaluation of compressive strength, shear bond strength, and microhardness values of glass-ionomer cement Type IX and Cention N


1 ITS-CDSR, Ghaziabad, Uttar Pradesh, India
2 Department of Pedodontics and Preventive Dentistry, ITS-CDSR, Ghaziabad, Uttar Pradesh, India

Correspondence Address:
Dr. Vishakha Verma
Department of Pedodontics and Preventive Dentistry, ITS-CDSR, Ghaziabad, Uttar Pradesh
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/JCD.JCD_109_19

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Aim: This study aimed to compare the compressive strength, shear bond strength, and microhardness of glass-ionomer cement (GIC) Type IX and Cention N. Materials and Methods: Five samples each of GIC Type IX and Cention N were prepared for testing the shear bond strength, tensile strength, and microhardness. Cylinders of the samples measuring 1 cm diameter and 6 mm height were prepared for compressive strength and shear bond strength. For shear bond strength, these samples were embedded into acrylic blocks of dimensions 2 cm × 2 cm. Testing of shear bond strength and compressive strength was done by mounting the samples in a universal testing machine with a crosshead speed of 1 mm/min. The samples for microhardness were 1 cm diameter and 5 mm height. The samples were mounted on Vickers microhardness testing machine to test the microhardness. Results: The values for shear bond strength of Cention N were statistically highly significant (P < 0.01) as compared to GIC Type IX, whereas the compressive strength and microhardness values of Cention N were statistically significant (P < 0.5) as compared to GIC Type IX. Conclusion: The results suggest significantly higher values for mechanical properties of Cention N as compared to GIC Type IX.


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