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http://dx.doi.org/10.5395/JKACD.2011.36.5.419

Microtensile bond strength of resin inlay bonded to dentin treated with various temporary filling materials  

Kim, Tae-Woo (Department of Conservative Dentistry, Chonnam National University School of Dentistry)
Lee, Bin-Na (Department of Conservative Dentistry, Chonnam National University School of Dentistry)
Choi, Young-Jung (Department of Conservative Dentistry, Chonnam National University School of Dentistry)
Yang, So-Young (Department of Oral Anatomy, Chonnam National University School of Dentistry)
Chang, Hoon-Sang (Department of Conservative Dentistry, Chonnam National University School of Dentistry)
Hwang, Yun-Chan (Department of Conservative Dentistry, Chonnam National University School of Dentistry)
Hwang, In-Nam (Department of Conservative Dentistry, Chonnam National University School of Dentistry)
Oh, Won-Mann (Department of Conservative Dentistry, Chonnam National University School of Dentistry)
Publication Information
Restorative Dentistry and Endodontics / v.36, no.5, 2011 , pp. 419-424 More about this Journal
Abstract
Objectives: This study was aimed to determine the effects of temporary sealing materials on microtensile bond strength between resin-coated dentin and resin inlay and to compare the bonding effectiveness of delayed dentin sealing and that of immediate dentin sealing. Materials and Methods: The teeth were divided into 4 groups: group 1, specimens were prepared using delayed dentin sealing after temporary sealing with zinc oxide eugenol (ZOE); group 2, specimens were prepared using immediate dentin sealing and ZOE sealing; group 3, specimens were prepared using immediate dentin sealing and Dycal (Dentsply) sealing; group 4, specimens were prepared using immediately sealed, and then temporarily sealed with a resin-based temporary sealing material. After removing the temporary sealing material, we applied resin adhesive and light-cured. Then the resin inlays were applied and bonded to the cavity with a resin-based cement. The microtensile bond strength of the sectioned specimens were measured with a micro-tensile tester (Bisco Inc.). Significance between the specimen groups were tested by means of one-way ANOVA and multiple Duncan's test. Results: Group 1 showed the lowest bond strength, and group 4 showed the highest bond strength (p < 0.01). When temporary sealing was performed with ZOE, immediate dentin sealing showed a higher bonding strength than delayed dentin sealing (p < 0.01). Conclusions: Based on these results, immediate dentin sealing is more recommended than delayed dentin sealing in bonding a resin inlay to dentin. Also, resin-based temporary sealing materials have shown the best result.
Keywords
Immediate dentin sealing; Microtensile bond strength; Resin inlay;
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Times Cited By KSCI : 3  (Citation Analysis)
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