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HOME > Restor Dent Endod > Volume 35(2); 2010 > Article
Basic Research Microtensile bond strength of self-etching and self-adhesive resin cements to dentin and indirect composite resin
Jae-Gu Park1, Young-Gon Cho1, Il-Sin Kim2
2010;35(2):-115.
DOI: https://doi.org/10.5395/JKACD.2010.35.2.106
Published online: March 31, 2010

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Corresponding Author: Young-Gon Cho. Department of Conservative 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: February 1, 2010   • Revised: February 23, 2010   • Accepted: March 11, 2010

Copyright © 2010 Korean Academy of Conservative Dentistry

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  • The purpose of this study was to evaluate the microtensile bond strength (µTBS), failure modes and bonding interfaces of self-etching and three self-adhesive resin cements to dentin and indirect composite resin.
    Cylindrical composite blocks (Tescera, Bisco Inc.) were luted with resin cements (PA: Panavia F 2.0, Kuraray Medical Inc., RE: RelyX Unicem Clicker, 3M ESPE., MA: Maxem, Kerr Co., BI: BisCem, Bisco Inc.) on the prepared occlusal dentin surfaces of 20 extracted molars. After storage in distilled water for 24 h, 1.0 mm × 1.0 mm composite-dentin beams were prepared. µTBS was tested at a cross-head speed of 0.5 mm/min. Data were analyzed with one-way ANOVA and Tukey's HSD test. Dentin sides of all fractured specimens and interfaces of resin cements-dentin or resin cements-composite were examined at FE-SEM (Field Emission-Scanning Electron Microscope).
    In conclusion, PA and RE showed higher bond strength and closer adaptation than MA and BI when indirect composite blocks were luted to dentin using a self-etching and three self-adhesive resin cements.
  • Keywords: Microtensile bond strength; Self-etching resin cement; Self-adhesive resin cement; Dentin; Indirect composite resin
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Figure 1
SEM micrograph of dentin side showing a representative cohesive failure within Panavia F 2.0 (× 130).
jkacd-35-106-g001.jpg
Figure 2
SEM micrograph showing remnant fractured filler (F) and cement (C) on the surface of fractured Panavia F 2.0 (× 5,000).
jkacd-35-106-g002.jpg
Figure 3
SEM micrograph of dentin side showing a representative mixed failure with a thin layer of RelyX Unicem Clicker on the dentin surface (× 130).
jkacd-35-106-g003.jpg
Figure 4
SEM micrograph of dentin side showing a representative adhesive failure of Maxcem along dentin surface (× 130).
jkacd-35-106-g004.jpg
Figure 5
SEM micrograph showing remnant a few small sized filler (F) and cement (C) on the dentin surface and fractured Maxem (× 5,000).
jkacd-35-106-g005.jpg
Figure 6
SEM micrograph of dentin side showing a representative adhesive failure of BisCem along dentin surface (× 130).
jkacd-35-106-g006.jpg
Figure 7
SEM micrograph showing gap (G), about 5 µm wide, between the composite resin (R)-Panavia F 2.0 (P), and close adaptation with numerous short and long resin tags between the Panavia F 2.0-dentin (D) (× 600).
jkacd-35-106-g007.jpg
Figure 8
SEM micrograph showing wide gap (G), about 70 µm wide, between the composite resin (R)-RelyX Unicem Clicker (RU), and close adaptation with a few short resin tags between RelyX Unicem Clicker-dentin (D) (× 600).
jkacd-35-106-g008.jpg
Figure 9
SEM micrograph showing wide gap (G), about 60 µm wide, between the composite resin (R)-Maxcem (M), and discontinuous 1-2 µm wide gaps(g) between Maxem-dentin (D) (× 600).
jkacd-35-106-g009.jpg
Figure 10
SEM micrograph showing gap (G), about 15 µm wide, and a few short resin tags between BisCem (B)-dentin (D) (× 600).
jkacd-35-106-g010.jpg
Table 1
Resin cements
jkacd-35-106-i001.jpg
Table 2
Composition of resin cements

HEMA: 2-hydroxyethly methacrylate, 10-MDP:10-methacryloyloxydecyl dihydrogen phosphate, 5-NMSA: N-methacryloyl 5-aminosalicylic acid, GPDM: glycerol dimethacrylate dihydrogen phosphate; CQ: camphorquinone.

jkacd-35-106-i002.jpg
Table 3
Mean microtensile bond strength (MPa) to dentin and failure mode

PA; Panavia F 2.0, RE; RelyX Unicem Clicker, MA; Maxem, BI; BisCem

Superscripts of the same letter indicate values of statistically no significant difference by one-way ANOVA and Tukey's HSD test.

jkacd-35-106-i003.jpg

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        Microtensile bond strength of self-etching and self-adhesive resin cements to dentin and indirect composite resin
        J Korean Acad Conserv Dent. 2010;35(2):106-115.   Published online March 31, 2010
        DOI: https://doi.org/10.5395/JKACD.2010.35.2.106
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      Microtensile bond strength of self-etching and self-adhesive resin cements to dentin and indirect composite resin
      Image Image Image Image Image Image Image Image Image Image
      Figure 1 SEM micrograph of dentin side showing a representative cohesive failure within Panavia F 2.0 (× 130).
      Figure 2 SEM micrograph showing remnant fractured filler (F) and cement (C) on the surface of fractured Panavia F 2.0 (× 5,000).
      Figure 3 SEM micrograph of dentin side showing a representative mixed failure with a thin layer of RelyX Unicem Clicker on the dentin surface (× 130).
      Figure 4 SEM micrograph of dentin side showing a representative adhesive failure of Maxcem along dentin surface (× 130).
      Figure 5 SEM micrograph showing remnant a few small sized filler (F) and cement (C) on the dentin surface and fractured Maxem (× 5,000).
      Figure 6 SEM micrograph of dentin side showing a representative adhesive failure of BisCem along dentin surface (× 130).
      Figure 7 SEM micrograph showing gap (G), about 5 µm wide, between the composite resin (R)-Panavia F 2.0 (P), and close adaptation with numerous short and long resin tags between the Panavia F 2.0-dentin (D) (× 600).
      Figure 8 SEM micrograph showing wide gap (G), about 70 µm wide, between the composite resin (R)-RelyX Unicem Clicker (RU), and close adaptation with a few short resin tags between RelyX Unicem Clicker-dentin (D) (× 600).
      Figure 9 SEM micrograph showing wide gap (G), about 60 µm wide, between the composite resin (R)-Maxcem (M), and discontinuous 1-2 µm wide gaps(g) between Maxem-dentin (D) (× 600).
      Figure 10 SEM micrograph showing gap (G), about 15 µm wide, and a few short resin tags between BisCem (B)-dentin (D) (× 600).

      Figure 1

      Figure 2

      Figure 3

      Figure 4

      Figure 5

      Figure 6

      Figure 7

      Figure 8

      Figure 9

      Figure 10

      Microtensile bond strength of self-etching and self-adhesive resin cements to dentin and indirect composite resin

      Resin cements

      Composition of resin cements

      HEMA: 2-hydroxyethly methacrylate, 10-MDP:10-methacryloyloxydecyl dihydrogen phosphate, 5-NMSA: N-methacryloyl 5-aminosalicylic acid, GPDM: glycerol dimethacrylate dihydrogen phosphate; CQ: camphorquinone.

      Mean microtensile bond strength (MPa) to dentin and failure mode

      PA; Panavia F 2.0, RE; RelyX Unicem Clicker, MA; Maxem, BI; BisCem

      Superscripts of the same letter indicate values of statistically no significant difference by one-way ANOVA and Tukey's HSD test.
      Table 1 Resin cements

      Table 2 Composition of resin cements

      HEMA: 2-hydroxyethly methacrylate, 10-MDP:10-methacryloyloxydecyl dihydrogen phosphate, 5-NMSA: N-methacryloyl 5-aminosalicylic acid, GPDM: glycerol dimethacrylate dihydrogen phosphate; CQ: camphorquinone.

      Table 3 Mean microtensile bond strength (MPa) to dentin and failure mode

      PA; Panavia F 2.0, RE; RelyX Unicem Clicker, MA; Maxem, BI; BisCem

      Superscripts of the same letter indicate values of statistically no significant difference by one-way ANOVA and Tukey's HSD test.

      Table 1

      Table 2

      Table 3

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