Comparative Evaluation of Hardness in Ceramic Reinforced, Resin Modified Glass Ionomer Cement and Conventional Glass Ionomer Cement
Aim and Background: This study compares the hardness of ceramic-reinforced glass ionomer cement (Amalgomer CR), resin-modified glass ionomer cement (RMGIC), and conventional glass ionomer cement (GIC) using Vicker’s microhardness tester. Materials and Methods: Nine disc-shaped specimens (5mm diamete...
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| Format: | Article |
| Language: | English |
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Wolters Kluwer Medknow Publications
2025-06-01
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| Series: | Journal of Pharmacy and Bioallied Sciences |
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| Online Access: | https://journals.lww.com/10.4103/jpbs.jpbs_1947_24 |
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| author | Sushmita Shivanna Samuel Roshan S Sameera Murali Sivakumar Megavarnan Ravi Sarvesh LS Ram |
| author_facet | Sushmita Shivanna Samuel Roshan S Sameera Murali Sivakumar Megavarnan Ravi Sarvesh LS Ram |
| author_sort | Sushmita Shivanna |
| collection | DOAJ |
| description | Aim and Background:
This study compares the hardness of ceramic-reinforced glass ionomer cement (Amalgomer CR), resin-modified glass ionomer cement (RMGIC), and conventional glass ionomer cement (GIC) using Vicker’s microhardness tester.
Materials and Methods:
Nine disc-shaped specimens (5mm diameter, 2mm thickness) were prepared from three materials: Group A (GIC), Group B (Amalgomer CR), and Group C (RMGIC). Hardness was tested after 24 hours of storage at room temperature.
Result:
Group B showed the highest mean hardness (66.13±5.25), followed by Group A (65.63±8.07) and Group C (62.13±13.70). Differences were not statistically significant.
Conclusion:
Although Amalgomer CR exhibited slightly higher hardness due to its ceramic component, the differences among the materials were not statistically significant. Clinical significance: Hardness is a key property for dental restorations, ensuring durability by resisting deformation and maintaining integrity during mastication. |
| format | Article |
| id | doaj-art-6bfa199af346415b8141dbe94e7965ea |
| institution | DOAJ |
| issn | 0976-4879 0975-7406 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | Wolters Kluwer Medknow Publications |
| record_format | Article |
| series | Journal of Pharmacy and Bioallied Sciences |
| spelling | doaj-art-6bfa199af346415b8141dbe94e7965ea2025-08-20T02:42:28ZengWolters Kluwer Medknow PublicationsJournal of Pharmacy and Bioallied Sciences0976-48790975-74062025-06-0117Suppl 2S1916S191910.4103/jpbs.jpbs_1947_24Comparative Evaluation of Hardness in Ceramic Reinforced, Resin Modified Glass Ionomer Cement and Conventional Glass Ionomer CementSushmita ShivannaSamuel RoshanS SameeraMurali SivakumarMegavarnan RaviSarvesh LS RamAim and Background: This study compares the hardness of ceramic-reinforced glass ionomer cement (Amalgomer CR), resin-modified glass ionomer cement (RMGIC), and conventional glass ionomer cement (GIC) using Vicker’s microhardness tester. Materials and Methods: Nine disc-shaped specimens (5mm diameter, 2mm thickness) were prepared from three materials: Group A (GIC), Group B (Amalgomer CR), and Group C (RMGIC). Hardness was tested after 24 hours of storage at room temperature. Result: Group B showed the highest mean hardness (66.13±5.25), followed by Group A (65.63±8.07) and Group C (62.13±13.70). Differences were not statistically significant. Conclusion: Although Amalgomer CR exhibited slightly higher hardness due to its ceramic component, the differences among the materials were not statistically significant. Clinical significance: Hardness is a key property for dental restorations, ensuring durability by resisting deformation and maintaining integrity during mastication.https://journals.lww.com/10.4103/jpbs.jpbs_1947_24amalgomer ceramic reinforced (amalgomer cr)conventional glass ionomer cement (gic)resin modified glass ionomer cement (rmgic)vicker’s hardness |
| spellingShingle | Sushmita Shivanna Samuel Roshan S Sameera Murali Sivakumar Megavarnan Ravi Sarvesh LS Ram Comparative Evaluation of Hardness in Ceramic Reinforced, Resin Modified Glass Ionomer Cement and Conventional Glass Ionomer Cement Journal of Pharmacy and Bioallied Sciences amalgomer ceramic reinforced (amalgomer cr) conventional glass ionomer cement (gic) resin modified glass ionomer cement (rmgic) vicker’s hardness |
| title | Comparative Evaluation of Hardness in Ceramic Reinforced, Resin Modified Glass Ionomer Cement and Conventional Glass Ionomer Cement |
| title_full | Comparative Evaluation of Hardness in Ceramic Reinforced, Resin Modified Glass Ionomer Cement and Conventional Glass Ionomer Cement |
| title_fullStr | Comparative Evaluation of Hardness in Ceramic Reinforced, Resin Modified Glass Ionomer Cement and Conventional Glass Ionomer Cement |
| title_full_unstemmed | Comparative Evaluation of Hardness in Ceramic Reinforced, Resin Modified Glass Ionomer Cement and Conventional Glass Ionomer Cement |
| title_short | Comparative Evaluation of Hardness in Ceramic Reinforced, Resin Modified Glass Ionomer Cement and Conventional Glass Ionomer Cement |
| title_sort | comparative evaluation of hardness in ceramic reinforced resin modified glass ionomer cement and conventional glass ionomer cement |
| topic | amalgomer ceramic reinforced (amalgomer cr) conventional glass ionomer cement (gic) resin modified glass ionomer cement (rmgic) vicker’s hardness |
| url | https://journals.lww.com/10.4103/jpbs.jpbs_1947_24 |
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