Journal List > J Korean Acad Prosthodont > v.54(3) > 1034874

Kim, Ahn, Kim, and Shim: Effect of different adhesive systems and post surface treatments on the push-out bond strengths of fiber-reinforced post

Abstract

Purpose

The purpose of this study was to evaluate the push-out bond strength of glass-fiber post cemented with different adhesive systems and surface treatments.

Materials and methods

160 tooth samples made from 48 human maxillary single-rooted teeth with similar root length were divided into 4 groups according to the adhesive system (no adhesive, Adper Single Bond 2, Clearfil SE Bond, Clearfil S3). Each group had 4 subgroups according to the post surface treatment methods (no treatment, sandblast, silane, sandblast and silane). Posts (Parapost Fiber White) were cemented with Rely X Unicem. The teeth were sectioned perpendicular to their long axis into 1-mm thick sections. The push-out tests was performed at a speed of 0.5 mm/min. The results were evaluated by 2-way ANOVA, 1-way ANOVA and multiple comparison procedures (Tukey test) (α =0.05).

Results

Tukey test showed that the adhesive system significantly influenced the push-out strength. The Clearfil SE Bond group showed the highest value. Post surface treatments showed no significant effect.

Conclusion

Bond strength of glass-fiber post cemented with self-adhesive resin cement using Clearfil SE Bond showed significantly higher values compared to other adhesive systems. (J Korean Acad Prosthodont 2016;54:218-25)

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Fig. 1.
Schematic view of tooth sample.
jkap-54-218f1.tif
Fig. 2.
Push-out test.
jkap-54-218f2.tif
Fig. 3.
Schematic view of push-out test.
jkap-54-218f3.tif
Fig. 4.
(A) Push-out strength of post with no surface treatment, (B) Push-out strength of post treated with Monobond S, (C) Push-out strength of post treated with sandblast. (D) Push-out strength of post treated with sandblast and Monobond S.
jkap-54-218f4.tif
Table 1.
Mean value and standard deviation of push-out strength
Post Dentin N Mean (MPa) SD
No treatment No treatment 10 6.18 1.53
SingleBond 2 10 6.60 1.84
SE Bond 10 8.40 2.15
S3 Bond 10 6.35 2.33
Monobond S No treatment 10 6.28 1.35
SingleBond 2 10 6.43 2.18
SE Bond 10 8.41 2.65
S3 Bond 10 6.79 2.17
Sandblast No treatment 10 5.87 1.13
SingleBond 2 10 6.28 1.38
SE Bond 10 7.81 1.79
S3 Bond 10 6.68 2.67
Sandblast & Monobond S No treatment 10 6.44 2.70
SingleBond 2 10 6.67 2.03
SE Bond 10 7.14 2.37
S3 Bond 10 6.85 2.29
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