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Effect of curing methods of resin cements on bond strength and adhesive interface of post
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Original Article Effect of curing methods of resin cements on bond strength and adhesive interface of post
Mun-Hong Kim, Hae-Jung Kim, Young-Gon Cho
Journal of Korean Academy of Conservative Dentistry 2009;34(2):103-112.
DOI: https://doi.org/10.5395/JKACD.2009.34.2.103
Published online: March 31, 2009

Department of Conservative Dentistry, Colledge of Dentistry, Chosun University, Korea.

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: November 20, 2008   • Revised: January 2, 2009   • Accepted: January 12, 2009

Copyright © 2009 The Korean Academy of Conservative Dentistry

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  • The purpose of this study was to compare the effect of curing methods of adhesive resins and resin cements in the root canal. Crown portions of 32 single-rooted mandibular premolars were removed. Routine endodontic treatment was done, and 9 mm deep post spaces were prepared within root canals. No. 3 FRC Postec posts (Ivoclar-Vivadent AG, Liechtenstein) were cemented in the post spaces by self-(SC) or light-curing (LC) using two dual-cured adhesives (Adper Scotchbond multi-purpose plus and Exite DSC )and resin cements (RelyX ARC and Variolink II). They were assigned to 4 groups (n=8); R-SC, R-LC, V-SC, V-LC group.
    After stored in distilled water for 24 hours, each root was transversally sectioned with 1.5 mm thick and made three slices. The specimens were subjected to push-out test in a universal testing machine (EZ Test, Shimadzu Co., Japan) with a crosshead speed of 1 mm/min. The data were analyzed with repeated ANOVA and one-way.
    ANOVA. Also the interface of post-resin cement and resin cement-canal wall of each group was observed under FE-SEM.
    When fiber posts were cemented into the root canal using total-etch adhesives, the bond strength and adaptation between post and root canal dentin was affected by curing method. Self-cure of adhesives and resin cements showed higher bond strength and closer adaptation than light-cure of them.
  • Keywords: Curing method; Resin cement; Bond strength; Post; Push-out test; FE-SEM
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Figure 1
Apparatus designed for push-out test
jkacd-34-103-g001.jpg
Figure 2
R-SC group(×300). P: post, C: resin cement, RD: root dentin
jkacd-34-103-g002.jpg
Figure 3
R-SC group(×1,000). P: post, C: resin cement
jkacd-34-103-g003.jpg
Figure 4
R-SC group(×1,000). C: resin cement, RD: root denti
jkacd-34-103-g004.jpg
Figure 5
R-LC group(×300). P: post, C: resin cement, RD: root dentin
jkacd-34-103-g005.jpg
Figure 6
R-LC group(×1,000). P: post, C: resin cement
jkacd-34-103-g006.jpg
Figure 7
R-LC group(×1,000). C: resin cement, RD: root dentin
jkacd-34-103-g007.jpg
Figure 8
V-SC group(×300). P: post, C: resin cement, RD: root dentin
jkacd-34-103-g008.jpg
Figure 9
V-SC group(×1,000). P: post, C: resin cement
jkacd-34-103-g009.jpg
Figure 10
V-SC group(×1,000). C: resin cement, RD: root dentin
jkacd-34-103-g010.jpg
Figure 11
V-LC group(×300). P: post, C: resin cement, RD: root dentin
jkacd-34-103-g011.jpg
Figure 12
V-LC group(×1,000). P: post, C: resin cement
jkacd-34-103-g012.jpg
Figure 13
V-LC group(×1,000). C: resin cement, RD: root dentin
jkacd-34-103-g013.jpg
Table 1
Resin cements and adhesive systems
jkacd-34-103-i001.jpg
Table 2
Group classification and procedures for post cementation

R: RelyX ARC, V: Variolink II, SC: Self-Cure, LC: Light-Cure, PR: Post Room

jkacd-34-103-i002.jpg
Table 3
Push-out strength (MPa) and statistical comparison

R: RelyX ARC, V: Variolink II, SC: Self-Cure,LC: Light-Cure Same superscript is not statistically different (p > 0.05).

jkacd-34-103-i003.jpg

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        Effect of curing methods of resin cements on bond strength and adhesive interface of post
        J Korean Acad Conserv Dent. 2009;34(2):103-112.   Published online March 31, 2009
        DOI: https://doi.org/10.5395/JKACD.2009.34.2.103
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      Related articles
      Effect of curing methods of resin cements on bond strength and adhesive interface of post
      Image Image Image Image Image Image Image Image Image Image Image Image Image
      Figure 1 Apparatus designed for push-out test
      Figure 2 R-SC group(×300). P: post, C: resin cement, RD: root dentin
      Figure 3 R-SC group(×1,000). P: post, C: resin cement
      Figure 4 R-SC group(×1,000). C: resin cement, RD: root denti
      Figure 5 R-LC group(×300). P: post, C: resin cement, RD: root dentin
      Figure 6 R-LC group(×1,000). P: post, C: resin cement
      Figure 7 R-LC group(×1,000). C: resin cement, RD: root dentin
      Figure 8 V-SC group(×300). P: post, C: resin cement, RD: root dentin
      Figure 9 V-SC group(×1,000). P: post, C: resin cement
      Figure 10 V-SC group(×1,000). C: resin cement, RD: root dentin
      Figure 11 V-LC group(×300). P: post, C: resin cement, RD: root dentin
      Figure 12 V-LC group(×1,000). P: post, C: resin cement
      Figure 13 V-LC group(×1,000). C: resin cement, RD: root dentin

      Figure 1

      Figure 2

      Figure 3

      Figure 4

      Figure 5

      Figure 6

      Figure 7

      Figure 8

      Figure 9

      Figure 10

      Figure 11

      Figure 12

      Figure 13

      Effect of curing methods of resin cements on bond strength and adhesive interface of post

      Resin cements and adhesive systems

      Group classification and procedures for post cementation

      R: RelyX ARC, V: Variolink II, SC: Self-Cure, LC: Light-Cure, PR: Post Room

      Push-out strength (MPa) and statistical comparison

      R: RelyX ARC, V: Variolink II, SC: Self-Cure,LC: Light-Cure Same superscript is not statistically different (p > 0.05).
      Table 1 Resin cements and adhesive systems

      Table 2 Group classification and procedures for post cementation

      R: RelyX ARC, V: Variolink II, SC: Self-Cure, LC: Light-Cure, PR: Post Room

      Table 3 Push-out strength (MPa) and statistical comparison

      R: RelyX ARC, V: Variolink II, SC: Self-Cure,LC: Light-Cure Same superscript is not statistically different (p > 0.05).

      Table 1

      Table 2

      Table 3

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