Journal of the Korean Academy of Pediatric Dentistry 2008;35(4):619-627.
Published online November 30, 2008.
A STUDY ON THE MICROLEAKAGE OF DENTIN BONDING SYSTEMS
Jeong-Min Son1, Nam-Ki Choi1, Seon-Mi Kim1, Kyu-Ho Yang1, Ji-il Park2
1Department of Pediatric Dentistry, School of Dentistry, Chonnam National University and Dental Research Institute and second stage of BK 21
2Department of Dental Hygiene, Gwang Ju Health college 
상아질 접착제의 미세누출에 관한 연구
손정민1, 최남기1, 김선미1, 양규호1, 박지일2
1전남대학교 치의학전문대학원 소아치과학교실 및 치의학연구소 및 2단계 BK21
2광주 보건대학 치위생과
Correspondence:  Nam-Ki Choi,  Tel: 062-220-5476, Email: hellopedo@hanmail.net
Received: 1 April 2008   • Accepted: 24 July 2008
Abstract
The objective of this study was to compare the microleakage of five adhesive systems in the enamel and dentin of permanent teeth. Class V cavity preparations with occlusal margins in enamel and gingival margins in dentin were prepared on both buccal and lingual surfaces of 25 extracted human molar teeth. The tested adhesives were: Adper Scotchbond Multi-purpose Plus Adhesive (SM), Adper Single bond 2 (SB), Clearfil SE Bond (SE), Adper Prompt L-Pop (PL) and G-Bond (GB). The results were as follows: 1. At the enamel margins, PL showed the highest leakage value(0.85), and others showed values of SB(0.55), GB(0.50), SM(0.35) and SE(0.25) in decreasing order. There were statistically significant differences in PL vs. SM and PL vs. SE(p<0.05). 2. At the dentin margins, GB showed the highest leakage value(2.10), and others showed values of SE(1.45), PL(1.40), SB(1.05), SM(0.70) in decreasing order. There were statistically significant differences in GB vs. SB and GB vs. SM(p<0.05). 3. Dentin margins showed high dye penetration rate than enamel margins in all material tested groups and there were statistically significant differences for SE, PL and GB.
Key Words: Dentin bonding system, Microleakage, Enamel, Dentin


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