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다양한 세대별 치과용 상아질 접착제의 미세누출과 미세인장접착강도 평가
Microleakage and Microtensile Bond Strength Evaluation of the Various Generations of Dentin Bonding Agents

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Authors
김용일; 윤정훈; 이상혁; 쳉양핑; 이상훈; 양형철; 임범순
Issue Date
2012-06
Publisher
대한치과기재학회
Citation
대한치과기재학회지 Vol.39 No.2, pp. 119-128
Keywords
의약학dentin bonding agentsmicroleakageMTBSself-etchinggeneration
Abstract
The purpose of this study was to evaluate bonding durability for the various generation of dentin bonding
agents. Eight dentin bonding agents were tested. One hundred twenty non caries extracted human molars
were used. Microleakage and microtensile bond strength (MTBS) test were performed. The specimens were
bonded with dentin bonding adhesive systems according to manufacturer's instruction. The specimens were
cut to stick-shape and stressed in tension at a crosshead speed of 1 mm/min. Results were analyzed using
Weibull analysis. Scotchbond MP (3M ESPE) showed the least microleakage, and the other groups showed the
similar microleakage. The MTBS of experimental groups varied from 30.80 to 39.54 MPa. Single Bond (3M
ESPE) had the highest Weibull modulus (6.543) and Clearfil S3 Bond (Kuraray) had the lowest value (3.832).
The simplified dentin bonding adhesives (7th generation) showed acceptable bond strength in comparison
with the three-step adhesives (4th generation).
ISSN
1225-1631
Language
Korean
URI
http://hdl.handle.net/10371/82135
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College of Dentistry/School of Dentistry (치과대학/치의학대학원)Dept. of Dentistry (치의학과)Journal Papers (저널논문_치의학과)
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