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http://dx.doi.org/10.5395/JKACD.2004.29.3.205

EFFECT OF WETNESS ON THE ENAMEL BONDING  

Ko, Keun-Ho (Department of Conservative Dentistry, College of Dentistry, Chosun University)
Cho, Young-Gon (Department of Conservative Dentistry, College of Dentistry, Chosun University)
Jin, Cheul-Hee (Department of Conservative Dentistry, College of Dentistry, Chosun University)
Yoo, Sang-Hoon (Department of Conservative Dentistry, College of Dentistry, Chosun University)
Kim, Jong-Uk (Department of Conservative Dentistry, College of Dentistry, Chosun University)
Park, Byung-Cheul (Department of Conservative Dentistry, College of Dentistry, Chosun University)
Ki, Young-Jae (Department of Conservative Dentistry, College of Dentistry, Chosun University)
Choi, Hee-Young (Department of Conservative Dentistry, College of Dentistry, Chosun University)
Kim, Jong-Jin (Department of Conservative Dentistry, College of Dentistry, Chosun University)
Publication Information
Restorative Dentistry and Endodontics / v.29, no.3, 2004 , pp. 205-211 More about this Journal
Abstract
This study evaluated the microleakage and interfacial gap between enamel and composite resin under the dry and wet condition of the enamel surface. V shaped class 5 cavities were prepared on the occlusal portion of extracted human molars. Samples were divided into three groups：D group (air dry for 10-15s), BD group (blot dry with moist cotton pellet), and DR group (air dry for 10-15s and rewet with Aqua-Prep F for 20s), Cavities were filled using Aelitefil composite resin after applied One-Step. Microleakage was tested by 2% methylene blue dye solution and the data were statistically analysed by Kruskal-Wallis test and Mann-Whitney test. Also Enamel-resin interface was observed under SEM. Group BD showed statistically lower microleakage than group D (p < 0.05). but there was no statistically significant difference between group BD and DR (p > 0.05). At the enamel-resin interface, group D showed the gap of $2{\;}{\mu}m$ thickness, but group BD and DR showed close adaptation. In conclusion, the use of blot dry and rewetting agent (Aqua-Prep F) resulted in decreased microleakage and improved adhesion between enamel and resin when using One-Step.
Keywords
Microleakage; Interfacial gap; Air dry; Blot dry; Rewet;
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