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KMID : 0358920070340020285
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Journal of the Korean Academy of Pedodontics
2007 Volume.34 No. 2 p.285 ~ p.291
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THE EFFECTS OF COLLAGENASE AND ESTERASE ON THE MICROTENSILE BOND STRENGTH IN DENTIN BONDING
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Jung Young-Jung
Hyun Hong-Keun
Kim Young-Jae
Kim Jung-Wook
Lee Sang-Hoon
Kim Chong-Chul
Hahn Se-Hyun
Jang Ki-Taeg
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Abstract
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The purpose of this study was to evaluate the effect of collagenase and esterase on the microtensile bond strength({mu}TBS) in dentin bonding. After resin composites were bonded to occlusal dentin. {mu}TBS specimens were formed and stored in PBS, collagenase, or esterase solution After 4-week storage, {mu}TBS was determined and, the results were as follows :
1. {mu}TBS values of Single Bond 2 were lower than those of Clearfil SE Bond for all storage medium (p<0.05).
2. In Single Bond 2 group, collagenase solution lowered bond strength more than PBS and esterase solution (p>0.05).
3. In Clearfil SE Bond group, esterase solution lowered bond strength more than PBS(p>0.05). Collagenase solution lowered bond strength more than esterase solution(p>0.05) and PBS(p<0.05).
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KEYWORD
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Dentin bond, Collagenase, Esterase, Microtensile bond strength
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