Bond strength to bovine dentin of a composite core build-up material combined with four different bonding agents

Clearfil DC Bond (DC) is a new single-step, dual-cure bonding agent. In this study, the shear bond strengths of a core build-up composite to dentin used with four bonding systems [DC, Unifil Core Self-Etching Bond (UC), Clearfil SE Bond (SE) and Cleafil tri-S Bond (TS)] were measured. The bonding ab...

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Bibliographic Details
Published in:Journal of Oral Science 2008, Vol.50(3), pp.329-333
Main Authors: Ishii, Takaya, Ohara, Naoko, Oshima, Akiko, Koizumi, Hiroyasu, Nakazawa, Motoko, Masuno, Tsukasa, Matsumura, Hideo
Format: Article
Language:English
Subjects:
Animals
bond strength
bonding system
Cattle
Composite Resins
Crowns
Dental Bonding
Dental Stress Analysis
Dentin
Dentin-Bonding Agents
Dentistry
dual-cure
Materials Testing
Resin Cements
self-etching
Shear Strength
single-step
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Summary:Clearfil DC Bond (DC) is a new single-step, dual-cure bonding agent. In this study, the shear bond strengths of a core build-up composite to dentin used with four bonding systems [DC, Unifil Core Self-Etching Bond (UC), Clearfil SE Bond (SE) and Cleafil tri-S Bond (TS)] were measured. The bonding ability after 7 days of storage and in vitro durability following 20,000 thermocycles were also evaluated. The bond strength of DC did not differ significantly from those of other bonding systems after 24 hours of storage. Another dual-cure bonding system, UC, showed a significant reduction of bond strength after 7 days of storage. On the other hand, the bond strength of TS, a light-cured bonding system with a similar composition to DC, was reduced significantly following 20,000 thermocycles. SE, a two-step light-cure bonding system in the same series as DC, provided superior bond strength under all conditions. Although DC showed a slightly lower bond strength than SE, there was no significant difference between DC and SE under all conditions. Consequently, DC may be a useful and effective bonding system for multiple composite resin restorations. (J. Oral Sci. 50, 329-333, 2008)
ISSN:1343-4934
1880-4926
DOI:10.2334/josnusd.50.329