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HOME > Restor Dent Endod > Volume 29(3); 2004 > Article
Original Article The etching effects and microtensile bond strength of total etching and self-etching adhesive system on unground enamel
Sun-Kyong Oh, Bock Hur, Hyeon-Cheol Kim
2004;29(3):-280.
DOI: https://doi.org/10.5395/JKACD.2004.29.3.273
Published online: May 31, 2004

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Corresponding author: Bock Hur. Department of Conservative Dentistry, College of Dentisty, Pusan National University, 1-10 Ami-dong, Seo-gu, Pusan, 602-739, Korea. Tel: 82-51-240-7454, bhur@pusan.ac.kr

Copyright © 2004 Korean Academy of Conservative Dentistry

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  • The purpose of this study was to evaluate the etching effects and bond strength of total etching and self-etching adhesive system on unground enamel using scanning electron microscopy and microtensile bond strength test.
    The buccal coronal unground enamel from human extracted molars were prepared using low-speed diamond saw. Scotchbond Multi-Purpose (group SM), Clearfil SE Bond (group SE), or Adper Prompt L-Pop (group LP) were applied to the prepared teeth, and the blocks of resin composite (Filtek Z250) were built up incrementally. Resin tag formation was evaluated by scanning electron microscopy, after removal of enamel surface by acid dissolution and dehydration. For microtensile bond strength test, resin-bonded teeth were sectioned to give a bonded surface area of 1mm2. Microtensile bond strength test was perfomed.
    The results of this study were as follows.
    1. A definite etching pattern was observed in Scotchbond Multi-Purpose group.
    2. Self-etching groups were characterized as shallow and irregular etching patterns.
    3. The results (mean) of microtensile bond strength were SM; 26.55 MPa, SE; 18.15 MPa, LP; 15.57 MPa. SM had significantly higher microtensile bond strength than SE and PL (p < 0.05), but there was no significant differance between SE and PL.
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Figure 1
The SEM photographs of resin replica using Scotchbond Multi-Purpose
jkacd-29-273-g001.jpg
Figure 2
The SEM photographs of resin replica using Clearfil SE Bond
jkacd-29-273-g002.jpg
Figure 3
The SEM photographs of resin replica using Adper Prompt L-Pop
jkacd-29-273-g003.jpg
Table 1
Composition of three dentin bonding systems
jkacd-29-273-i001.jpg
Table 2
Procedures of bonding agent application
jkacd-29-273-i002.jpg
Table 3
Microtensile bond strengths(MPa, Mean ± SD)
jkacd-29-273-i003.jpg

Tables & Figures

REFERENCES

    Citations

    Citations to this article as recorded by  
    • Physical properties of different self-adhesive resin cements and their shear bond strength on lithium disilicate ceramic and dentin
      Hye-Jin Shin, Chang-Kyu Song, Se-Hee Partk, Jin-Woo Kim, Kyung-Mo Cho
      Journal of Korean Academy of Conservative Dentistry.2009; 34(3): 184.     CrossRef
    • Effects of one or two applications of all-in-one adhesive on microtensile bond strength to unground enamel
      Chang-Yong Son, Hyeon-Cheol Kim, Bock Hur, Jeong-Kil Park
      Journal of Korean Academy of Conservative Dentistry.2006; 31(6): 445.     CrossRef

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      The etching effects and microtensile bond strength of total etching and self-etching adhesive system on unground enamel
      J Korean Acad Conserv Dent. 2004;29(3):273-280.   Published online May 31, 2004
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    Figure
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    The etching effects and microtensile bond strength of total etching and self-etching adhesive system on unground enamel
    Image Image Image
    Figure 1 The SEM photographs of resin replica using Scotchbond Multi-Purpose
    Figure 2 The SEM photographs of resin replica using Clearfil SE Bond
    Figure 3 The SEM photographs of resin replica using Adper Prompt L-Pop
    The etching effects and microtensile bond strength of total etching and self-etching adhesive system on unground enamel

    Composition of three dentin bonding systems

    Procedures of bonding agent application

    Microtensile bond strengths(MPa, Mean ± SD)

    Table 1 Composition of three dentin bonding systems

    Table 2 Procedures of bonding agent application

    Table 3 Microtensile bond strengths(MPa, Mean ± SD)


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