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HOME > Restor Dent Endod > Volume 32(5); 2007 > Article
Original Article Microleakage of 2-step adhesive systems in diamond-prepared cavity
Myung-Goo Lee, Kwon-Hwan Cho, Young-Gon Cho
2007;32(5):-444.
DOI: https://doi.org/10.5395/JKACD.2007.32.5.437
Published online: September 30, 2007

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Corresponding Author: Young-Gon Cho. Department of Conservative Dentistry, College of Dentistry, Chosun University 421 Seosuk-dong, Dong-gu, Gwangju, 501-825, Korea. Tel: 82-62-220-3840, Fax: 82-62-232-9064, ygcho@chosun.ac.kr
• Received: March 19, 2007   • Revised: April 10, 2007   • Accepted: June 27, 2007

Copyright © 2007 Korean Academy of Conservative Dentistry

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  • The purpose of this study was to compare the marginal microleakage of different 2-step adhesive systems in Class V cavities prepared with different diamond points.
    Forty Class V cavities were prepared with two different (coarse or fine) diamond points on cervical third of extracted molars. The occlusal and gingival margin of cavities was located in enamel and dentin, respectively. They were divided into one of four equal groups (n = 10) and ; Group 1-prepared with coarse diamond point (EX-41), restored with Single Bond and Z 250, Group 2-prepared with fine diamond piont (TF-21F), restored with Single Bond and Z 250, Group 3-prepared with coarse diamond point (EX-41), restored with Clearfil SE Bond and Clearfil AP-X, Group 4-prepared with fine diamond point (TF-21F), restored with Clearfil SE Bond and Clearfil AP-X.
    Specimens were thermocycled, immersed in a 2% methylene blue solution for 24 hours, and bisected longitudinally. They were observed leakages at enamel and dentinal margins. Data were analyzed using Mann-Whitney and Wilcoxon signed ranked test.
    In this study, marginal microleakage of Single Bond was not affected by type of diamond points. But Clearfil SE Bond showed higher marginal microleakage at both enamel and dentinal margin when Class V cavity was prepared with coarse diamond point.
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Table 1
Adhesive systems used in this study

Bis-GMA: Bispheneol-glycidyl methacrylate, HEMA: Hydroxyethylmethacrylate.

MDP: Methacyloyloxydecyl dihydrogen phophate

jkacd-32-437-i001.jpg
Table 2
Group classification by different diamond points and adhesive systems used in Class V cavity preparation
jkacd-32-437-i002.jpg
Table 3
Distribution of microleakage scores and mean rank at enamel margins

*: There was statistically significant difference between group 3 and other groups at p < 0.01 (Mann-Whitney test).

jkacd-32-437-i003.jpg
Table 4
Distribution of microleakage scores and mean rank at dentinal margins

*: There was statistically significant difference between group 3 and other groups at p < 0.01 (Mann-Whitney test).

jkacd-32-437-i004.jpg
Table 5
Statistical analysis between the microleakage on enamel and dentinal margins in each group by Wilcoxon signed ranked test
jkacd-32-437-i005.jpg

Tables & Figures

REFERENCES

    Citations

    Citations to this article as recorded by  
    • Microshear bond strength of a self-etching primer adhesive to enamel according to the type of bur
      Jin-Ho Jeong, Young-Gon Cho, Myung-Seon Lee
      Journal of Korean Academy of Conservative Dentistry.2011; 36(6): 477.     CrossRef
    • Effect of cutting instruments on the dentin bond strength of a self-etch adhesive
      Young-Gon Lee, So-Ra Moon, Young-Gon Cho
      Journal of Korean Academy of Conservative Dentistry.2010; 35(1): 13.     CrossRef

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      Microleakage of 2-step adhesive systems in diamond-prepared cavity
      J Korean Acad Conserv Dent. 2007;32(5):437-444.   Published online September 30, 2007
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    Microleakage of 2-step adhesive systems in diamond-prepared cavity
    Microleakage of 2-step adhesive systems in diamond-prepared cavity

    Adhesive systems used in this study

    Bis-GMA: Bispheneol-glycidyl methacrylate, HEMA: Hydroxyethylmethacrylate.

    MDP: Methacyloyloxydecyl dihydrogen phophate

    Group classification by different diamond points and adhesive systems used in Class V cavity preparation

    Distribution of microleakage scores and mean rank at enamel margins

    *: There was statistically significant difference between group 3 and other groups at p < 0.01 (Mann-Whitney test).

    Distribution of microleakage scores and mean rank at dentinal margins

    *: There was statistically significant difference between group 3 and other groups at p < 0.01 (Mann-Whitney test).

    Statistical analysis between the microleakage on enamel and dentinal margins in each group by Wilcoxon signed ranked test

    Table 1 Adhesive systems used in this study

    Bis-GMA: Bispheneol-glycidyl methacrylate, HEMA: Hydroxyethylmethacrylate.

    MDP: Methacyloyloxydecyl dihydrogen phophate

    Table 2 Group classification by different diamond points and adhesive systems used in Class V cavity preparation

    Table 3 Distribution of microleakage scores and mean rank at enamel margins

    *: There was statistically significant difference between group 3 and other groups at p < 0.01 (Mann-Whitney test).

    Table 4 Distribution of microleakage scores and mean rank at dentinal margins

    *: There was statistically significant difference between group 3 and other groups at p < 0.01 (Mann-Whitney test).

    Table 5 Statistical analysis between the microleakage on enamel and dentinal margins in each group by Wilcoxon signed ranked test


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