Shear bond strength of four different repair materials applied to bis-acryl resin provisional materials measured 10 minutes, one hour, and two days after bonding

J. S. Shim, Y. J. Park, A. C F Manaloto, Sang-Wan Shin, J. Y. Lee, Y. J. Choi, Jae Jun Ryu

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

This study investigated the shear bond strength of repaired provisional restoration materials 1) to compare the bond strengths between bis-acryl resin and four different materials and 2) to investigate the effect of the amount of time elapsed after bonding on the bond strength. The self-cured bis-acryl resin (Luxatemp) was used as the base material, and four different types of resins (Luxatemp, Protemp, Z350 flowable, and Z350) were used as the repair materials. Specimens were divided into three groups depending on the point of time of shear bond strength measurement: 10 minutes, one hour, and 48 hours. Shear bond strengths were measured with a universal testing machine, and the fracture surface was examined with a video measuring system. Two-way analysis of variance revealed that the repair materials (p<0.001) and the amount of time elapsed after bonding (p<0.001) significantly affected the repair strength. All of the repaired materials showed increasing bond strength with longer storage time. The highest bond strength and cohesive failure were observed for bonding between Luxatemp base and Luxatemp at 48 hours after bonding.

Original languageEnglish
JournalOperative Dentistry
Volume39
Issue number4
DOIs
Publication statusPublished - 2014 Jan 1

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Shear Strength
Analysis of Variance
Repair Material
luxatemp

ASJC Scopus subject areas

  • Dentistry(all)

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Shear bond strength of four different repair materials applied to bis-acryl resin provisional materials measured 10 minutes, one hour, and two days after bonding. / Shim, J. S.; Park, Y. J.; Manaloto, A. C F; Shin, Sang-Wan; Lee, J. Y.; Choi, Y. J.; Ryu, Jae Jun.

In: Operative Dentistry, Vol. 39, No. 4, 01.01.2014.

Research output: Contribution to journalArticle

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