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- Original Article Microtensile bonding of one-step adhesives to smeared and non-smeared dentin
- Yong-Beom Song, Jeong-Hee Jin, Se-Joon Lee, Kwang-Won Lee
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2002;27(3):-309.
DOI: https://doi.org/10.5395/JKACD.2002.27.3.299
Published online: May 31, 2002
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Copyright © 2002 Korean Academy of Conservative Dentistry
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Abstract
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The purposes of this study were to evaluate the microtensile bond strength of one-step adhesives according to various dentin surface treatments and to observe the interface between resin(Z-100™) and dentin under SEM.In this study forty-five non-caries extracted human molars and three adhesive systems were used; All-Bond 2(AB), One-Up Bond F(OU), AQ-Bond(AQ).; In Group 1, 2, 3, AB was used and tooth surfaces were treated by smearing(S), ultrasonic cleansing(US), etching(E) respectively. In Group 4, 5, 6, One-Up Bond F was used and tooth surfaces were also treated as the same way above. In Groups 7, 8, 9, AQ Bond was used and tooth surfaces were treated as the same way. Each specimen was prepared for microtensile bond testing, and were stored for 24hrs in 37℃ distilled water. After that, microtensile bond strength for each specimen was measured. Specimens were fabricated to examine the failure patterns of interface between resin and dentin and observed under the SEM.The results were as follows;1. The results(mean±SD) of microtensile test were group 1, 25.69±4.31MPa; group 2, 40.93±10.94MPa; group 3, 47.65±8.85MPa; group 4, 36.98±9.14MPa; group 5, 39.66±8.45MPa; group 6, 43.26±13.01MPa; group 7, 25.07±4.2MPa; group 8, 30.4±4.74MPa; group 9, 33.61±7.88MPa.2. One-Up Bond F was showed the highest value of 36.98±9.14MPa in dentin surface treatment with smearing, and there were significant differences to the other groups(p<0.05).3. All-Bond 2 was showed the highest value of 40.93±10.94MPa in dentin surface treatment with ultrasonic cleansing, but was no significant difference to One-Up Bond F(p>0.05).4. All-Bond 2 was showed the highest value of 47.65±8.85MPa in dentin surface treatment with etching(10%phosphoric acid), and there were significant differences to the other groups(p<0.05).5. All-Bond 2 was showed the highest value of 47.65±8.85MPa in dentin surface treatment according to manufacture's directions, but was no significant difference to One-Up Bond F(p>0.05).6. AQ Bond was showed the lowest microtensile bond strength with various dentin surface treatment, and the were significant differences to the other groups(p<0.05).
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REFERENCES
Fig. 7
All Bond 2 Smearing SEM
A:fractured dental surface, B:fractured resin surface.
1:resin, 2:dentin, 3:separated resin
Fig. 8
All Bond 2 Ultrasonic cleaning SEM
A:fractured dental surface, B:fractured resin surface.
1:resin, 2:separated resin
Fig. 9
All Bond 2 Etching SEM
A:fractured dental surface, B:fractured resin surface.
1:dentin, 2:bonding agent, 3:resin, 4:separated resin
Fig. 10
One-Up Bond F Smearing SEM
A:fractured dental surface, B:fractured resin surface.
1:bonding agent, 2:resin
Fig. 11
One-Up Bond F Ultrasonic cleaning SEM
A:fractured dental surface, B:fractured resin surface.
1:dentin, 2:resin, 3:separated dentin
Fig. 12
One-Up Bond F Etching SEM
A:fractured dental surface, B:fractured resin surface.
1:separated dentin, 2:dentin, 3:resin, 4:dentin
Fig. 13
AQ Bond Smearing SEM
A:fractured dental surface, B:fractured resin surface.
1:separated resin, 2:dentin, 3:resin, 4:separated dentin
Fig. 15
AQ Bond Etching SEM
A:fractured dental surface, B:fractured resin surface.
1:dentin, 2:separated resin, 3:separated dentin, 4:resin, 5:bonding agent
Tables & Figures
REFERENCES
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XML DownloadMicrotensile bonding of one-step adhesives to smeared and non-smeared dentin
Fig. 1
Schematic illustration of the microtensile test
Fig. 2
Microtensile tester
Fig. 3
Tensile Bond Strengths(MPa) of Adhesives Using Various Surface Treatments
Fig. 4
Tensile Bond Strength(MPa) According to Various Surface Treatments
Fig. 5
Tensile Bond Strengths(MPa) of Adhesives According to Manufacture s Directions
Fig. 6
Failure pattern
Fig. 7
All Bond 2 Smearing SEM
A:fractured dental surface, B:fractured resin surface.
1:resin, 2:dentin, 3:separated resin
Fig. 8
All Bond 2 Ultrasonic cleaning SEM
A:fractured dental surface, B:fractured resin surface.
1:resin, 2:separated resin
Fig. 9
All Bond 2 Etching SEM
A:fractured dental surface, B:fractured resin surface.
1:dentin, 2:bonding agent, 3:resin, 4:separated resin
Fig. 10
One-Up Bond F Smearing SEM
A:fractured dental surface, B:fractured resin surface.
1:bonding agent, 2:resin
Fig. 11
One-Up Bond F Ultrasonic cleaning SEM
A:fractured dental surface, B:fractured resin surface.
1:dentin, 2:resin, 3:separated dentin
Fig. 12
One-Up Bond F Etching SEM
A:fractured dental surface, B:fractured resin surface.
1:separated dentin, 2:dentin, 3:resin, 4:dentin
Fig. 13
AQ Bond Smearing SEM
A:fractured dental surface, B:fractured resin surface.
1:separated resin, 2:dentin, 3:resin, 4:separated dentin
Fig. 14
AQ Bond Ultrasonic cleaning SEM
A:fractured dental surface, B:fractured resin surface.
Fig. 15
AQ Bond Etching SEM
A:fractured dental surface, B:fractured resin surface.
1:dentin, 2:separated resin, 3:separated dentin, 4:resin, 5:bonding agent
Fig. 1
Fig. 2
Fig. 3
Fig. 4
Fig. 5
Fig. 6
Fig. 7
Fig. 8
Fig. 9
Fig. 10
Fig. 11
Fig. 12
Fig. 13
Fig. 14
Fig. 15
Microtensile bonding of one-step adhesives to smeared and non-smeared dentin
Materals used in this study
Group classification
Microtensile bond strength of various surface treatments
Comparison of microtensile strength in groups according to various surf. tx.
P<0.05 (One-Way ANOVA, Tukey HSD and Bonferrori)
Comparison of microtensile strength in surface treatments according to various adhesives.
P<0.05 (One-Way ANOVA, Tukey HSD and Bonferrori)
Failure pattern of dentin to resin under SEM
Table 1
Materals used in this study
Table 2
Group classification
Table 3
Microtensile bond strength of various surface treatments
Table 4
Comparison of microtensile strength in groups according to various surf. tx.
P<0.05 (One-Way ANOVA, Tukey HSD and Bonferrori)
Table 5
Comparison of microtensile strength in surface treatments according to various adhesives.
P<0.05 (One-Way ANOVA, Tukey HSD and Bonferrori)
Table 6
Failure pattern of dentin to resin under SEM
