Volume 9, Issue 4 (12-2024)
J Res Dent Maxillofac Sci 2024, 9(4): 257-262 |
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Ethics code: IR.SBMU.DRC.REC.1398.155
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Rezaee M, Darabi A, Panahandeh N. Alterations in Microhardness of Clearfil Universal Bond Quick, G-Premio Bond, and Scotchbond Universal after Curing. J Res Dent Maxillofac Sci 2024; 9 (4) :257-262
URL: http://jrdms.dentaliau.ac.ir/article-1-610-en.html
URL: http://jrdms.dentaliau.ac.ir/article-1-610-en.html
1- Department of Operative Dentistry, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
2- Dentist, Private Dentistry Practice, Tehran, Iran
3- Dental Research Center, Research Institute of Dental Sciences, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, IranMedical Sciences, Tehran, Iran. ,nargespanahandeh@yahoo.com
2- Dentist, Private Dentistry Practice, Tehran, Iran
3- Dental Research Center, Research Institute of Dental Sciences, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, IranMedical Sciences, Tehran, Iran. ,
Abstract: (498 Views)
Background and Aim: This study aimed to assess the alterations in microhardness of Clearfil Universal Bond Quick (CUBQ), G-Premio Bond (GPB), and Scotchbond Universal (SBU) immediately, 24 hours, and 6 months after curing.
Materials and Methods: In this in vitro study, a composite disc was fabricated. A putty/wash impression was made from the disc to serve as a mold. CUBQ, GPB, and SBU adhesives were applied in the mold, and after allowing 3 hours for the solvent to evaporate, they were cured by a LED curing unit for 20 seconds. Ten specimens were fabricated from each adhesive. The microhardness of the specimens was measured by a microhardness tester immediately, 24 hours, and 6 months after curing. Data were analyzed by repeated measures ANOVA (alpha=0.05).
Results: The mean microhardness of the three adhesives was significantly different immediately after curing (P<0.001), and CUBQ showed significantly higher microhardness than GPB (P<0.001) and SBU (P=0.004). The difference in microhardness of the three adhesives was not significant after 24 hours and 6 months (P>0.05).
Conclusion: The present results showed that the microhardness of all three tested universal adhesives increased with time.
Materials and Methods: In this in vitro study, a composite disc was fabricated. A putty/wash impression was made from the disc to serve as a mold. CUBQ, GPB, and SBU adhesives were applied in the mold, and after allowing 3 hours for the solvent to evaporate, they were cured by a LED curing unit for 20 seconds. Ten specimens were fabricated from each adhesive. The microhardness of the specimens was measured by a microhardness tester immediately, 24 hours, and 6 months after curing. Data were analyzed by repeated measures ANOVA (alpha=0.05).
Results: The mean microhardness of the three adhesives was significantly different immediately after curing (P<0.001), and CUBQ showed significantly higher microhardness than GPB (P<0.001) and SBU (P=0.004). The difference in microhardness of the three adhesives was not significant after 24 hours and 6 months (P>0.05).
Conclusion: The present results showed that the microhardness of all three tested universal adhesives increased with time.
Type of Study: Original article |
Subject:
Restorative Dentistry
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