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HOME > Restor Dent Endod > Volume 28(3); 2003 > Article
Original Article Shear bond strength of self-etching adhesives to dentin and sem analysis
Young-Gon Cho, Kee-Sun Roh, Soo-Mee Kim, Young-Gon Lee, Jin-Ho Jeong, Young-Jae Ki
2003;28(3):-231.
DOI: https://doi.org/10.5395/JKACD.2003.28.3.222
Published online: May 31, 2003

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Corresponding author (ygcho@mail.chosun.ac.kr)

Copyright © 2003 Korean Academy of Conservative Dentistry

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  • The purpose of this study was to compare shear bond strength and interfacial pattern of composite bonded to dentin using self-etching adhesive systems.
    Sixty extracted human molars with exposed occlusal dentin were divided into four groups and bonded with four adhesives and composites: Single Bond/Filtek Z 250(SB), Tyrian SPE-One-Step Plus/Aelitefil(TY), Prompt L-Pop/Filtek Z 250(LP), and One-Up Bond F/Palfique Toughwell(OU).
    The results of this study were as follows;
    1. Shear bond strength for OU was significantly lower than that of other groups(p<0.05). No significant difference was founded among SB, TY, and LP.

    2. Failure modes to dentin showed adhesive and mixed for SB, TY, and LP, but them for OU showed adhesive in all spceimens.

    3. Dentin-resin interface showed close adaptation for SB, TY, and LP, but it showed gap for OU.

    4. The hybrid layers for TY, LP, OU were thinner than that of SB. Adhesive layers were observed between composite and hybrid layer, which were 5 µm thick for TY and 10 µm thick for OU.

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Fig. 1
Dentin (D) and Z 250 (Z) interface showed close adaptation in Single Bond (SB) group. (SEM ×800)
jkacd-28-222-g001.jpg
Fig. 2
SB group showing 2-4 µm thick hybrid layer (h) with taper resin tags (t) which were 10 µm long and had regular interval. (SEM ×2,000)
jkacd-28-222-g002.jpg
Fig. 3
Higher magnification of SB group showing resin tags with rough surface (r) and short lateral branches (b). (SEM ×7,500)
jkacd-28-222-g003.jpg
Fig. 4
Dentin (D) and Aelitefil (A) interface showed close adaptation and 5 µm thick adhesive layer (a) in Tyrian SPE (TY) group. (SEM ×800)
jkacd-28-222-g004.jpg
Fig. 5
TY group showing 1.5 µm thick hybrid layer (h) and numerous resin tags (t) which were 5-10 µm long and dense. (SEM ×1,500)
jkacd-28-222-g005.jpg
Fig. 6
Higher magnification of TY group showing resin tags with rough surface (r) and short lateral branches (b). (SEM ×3,700)
jkacd-28-222-g006.jpg
Fig. 7
Dentin and Z 250 (Z) interface showed close adaptation and 2 µm thick hybrid layer (h) in Prompt L-Pop (LP) group. (SEM ×800)
jkacd-28-222-g007.jpg
Fig. 8
LP group showing short and long resin tags (t) which were 5-15 µm long. (SEM ×1,500)
jkacd-28-222-g008.jpg
Fig. 9
Higher magnification of LP group showing resin tags with rough surface (r) and short lateral branches (b). (SEM ×3,500)
jkacd-28-222-g009.jpg
Fig. 10
Dentin and Palfique Toughwell (P) interface showed gap (g) and 10 µm thick adhesive layer (a) in One-Up Bond F (OU) group. (SEM ×1,000)
jkacd-28-222-g010.jpg
Fig. 11
OU group showing 2 µm thick hybrid layer (h) and few resin tags which were short and very long.
jkacd-28-222-g011.jpg
Fig. 12
Higher magnification of OU group showing short lateral branches (b). (SEM ×2,500)
jkacd-28-222-g012.jpg
Table 1
Group classification of an one-bottle adhesive and three self-etching adhesives/composite resins used in this study.
jkacd-28-222-i001.jpg
Table 2
Shear bond strength (MPa) to dentin and failure mode after the test

*: there was statistically significant difference among groups by Tukey's test (p<0.05).

jkacd-28-222-i002.jpg

Tables & Figures

REFERENCES

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    • POSITIONING SELF‐ETCHING ADHESIVES: VERSUS OR IN ADDITION TO PHOSPHORIC ACID ETCHING?
      Claus‐Peter Ernst
      Journal of Esthetic and Restorative Dentistry.2004; 16(1): 57.     CrossRef

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      Shear bond strength of self-etching adhesives to dentin and sem analysis
      J Korean Acad Conserv Dent. 2003;28(3):222-231.   Published online May 31, 2003
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    Shear bond strength of self-etching adhesives to dentin and sem analysis
    Image Image Image Image Image Image Image Image Image Image Image Image
    Fig. 1 Dentin (D) and Z 250 (Z) interface showed close adaptation in Single Bond (SB) group. (SEM ×800)
    Fig. 2 SB group showing 2-4 µm thick hybrid layer (h) with taper resin tags (t) which were 10 µm long and had regular interval. (SEM ×2,000)
    Fig. 3 Higher magnification of SB group showing resin tags with rough surface (r) and short lateral branches (b). (SEM ×7,500)
    Fig. 4 Dentin (D) and Aelitefil (A) interface showed close adaptation and 5 µm thick adhesive layer (a) in Tyrian SPE (TY) group. (SEM ×800)
    Fig. 5 TY group showing 1.5 µm thick hybrid layer (h) and numerous resin tags (t) which were 5-10 µm long and dense. (SEM ×1,500)
    Fig. 6 Higher magnification of TY group showing resin tags with rough surface (r) and short lateral branches (b). (SEM ×3,700)
    Fig. 7 Dentin and Z 250 (Z) interface showed close adaptation and 2 µm thick hybrid layer (h) in Prompt L-Pop (LP) group. (SEM ×800)
    Fig. 8 LP group showing short and long resin tags (t) which were 5-15 µm long. (SEM ×1,500)
    Fig. 9 Higher magnification of LP group showing resin tags with rough surface (r) and short lateral branches (b). (SEM ×3,500)
    Fig. 10 Dentin and Palfique Toughwell (P) interface showed gap (g) and 10 µm thick adhesive layer (a) in One-Up Bond F (OU) group. (SEM ×1,000)
    Fig. 11 OU group showing 2 µm thick hybrid layer (h) and few resin tags which were short and very long.
    Fig. 12 Higher magnification of OU group showing short lateral branches (b). (SEM ×2,500)
    Shear bond strength of self-etching adhesives to dentin and sem analysis

    Group classification of an one-bottle adhesive and three self-etching adhesives/composite resins used in this study.

    Shear bond strength (MPa) to dentin and failure mode after the test

    *: there was statistically significant difference among groups by Tukey's test (p<0.05).

    Table 1 Group classification of an one-bottle adhesive and three self-etching adhesives/composite resins used in this study.

    Table 2 Shear bond strength (MPa) to dentin and failure mode after the test

    *: there was statistically significant difference among groups by Tukey's test (p<0.05).


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