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http://dx.doi.org/10.4047/jkap.2014.52.2.113

Retentive bond strength of fiber-reinforced composite posts cemented with different surface treatments  

Roh, Hyunsik (Department of Prosthodontics, School of Dentistry, Kyung Hee University)
Noh, Kwantae (Department of Prosthodontics, School of Dentistry, Kyung Hee University)
Woo, Yi-Hyung (Department of Prosthodontics, School of Dentistry, Kyung Hee University)
Pae, Ahran (Department of Prosthodontics, School of Dentistry, Kyung Hee University)
Publication Information
The Journal of Korean Academy of Prosthodontics / v.52, no.2, 2014 , pp. 113-120 More about this Journal
Abstract
This study will evaluate the effectiveness of various pretreatments when fiber-reinforced composite (FRC) post is bonded to endodontically treated tooth with resin cement. Materials and methods: Canal shaping of FRC post (DT Light post, Size 3, Bisco Inc., Schaumburg, IL, USA) was performed on endodontically treated premolars at 1.5 cm from CEJ. Samples were divided into 6 groups of surface treatment after conventional washing and drying to the canal. Total of 24 FRC posts were randomly divided into 6 groups of surface treatment as follows: Group C: control - no surface treatment, Group A: airborne-particle abrasion (Cojet sand, 3M ESPE), Group S: silanization (Bis-silane, Bisco Inc.), Group M: universal primer (Monobond-plus primer, Ivoclar Vivadent Inc.), Group AS: silanization after airborne-particle abrasion, Group AM: universal primer treatment after airborne-particle abrasion. Pretreated fiber posts were cemented with resin-based luting material and photo-polymerized and cut to the thickness of 1 mm. Push-out test using a universal testing machine was performed. Bonding failure strength of post dislodgement was measured and the type of bonding failure was classified. Data were analyzed with Kruskal-Wallis test and multiple comparison groups were performed using Tukey HSD value of rank test (${\alpha}=0.05$). Results: Group AS showed significantly highest bonding strength. Group S, group AM, group A, and group M showed lower bonding strength in order. The control group showed the lowest bonding strength. Conclusion: Surface treatment with silane showed to be the most effective of the surface pretreatment methods for cementation of FRC post. Surface treatment with universal primer showed no significant difference compared with no surface treatment group as for bonding strength.
Keywords
Fiber-reinforced composite (FRC) post; Surface treatment; Universal primer; Dental silane;
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Times Cited By KSCI : 1  (Citation Analysis)
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