Korean J Dent Mater.
2018 Mar;45(1):1-10. 10.14815/kjdm.2018.45.1.1.
Effects of Bioactive Glass on Microhardness of Bleached Enamel Surface
- Affiliations
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- 1Department of conservative dentistry, School of Dentistry, Pusan National University, Yangsan, Korea. sungae@pusan.ac.kr
- 2Department of Dental Material, School of Dentistry, Pusan National University, Yangsan, Korea.
- KMID: 2415714
- DOI: http://doi.org/10.14815/kjdm.2018.45.1.1
Abstract
- The purpose of this study was to examine effects of bioactive glass on Vickers hardness of bleached enamel surface. Enamel specimens were bleached with 15% carbamide peroxide (CP) for 14days. After bleaching, Artificial saliva (AS), 45S5 bioactive glass (BAG) and fluoride varnish (FV) are applied each specimens (n=10). The Vickers hardness of the specimens was measured before and after the bleaching, after the remineralized treatment at 1 day and after 7 and 14 days. The Vickers hardness on enamel surface after bleaching decreased statistically (p < 0.05) compared to before bleached enamel surface. The Vickers hardness increased significantly in the BAG and FV groups compared to the AS group values at 1 day and 7 days after remineralization (P < 0.05). 45S5 bioactive glass rapidly increase Vickers hardness of the bleached enamel surface.
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