Immediate bond performance of resin composite luting systems to saliva-contaminated enamel and dentin in different curing modes

Ryo Ishii, Toshiki Takamizawa, Shun Katsuki, Kei Iwase, Mone Shoji, Keiichi Sai, Akimasa Tsujimoto, Masashi Miyazaki

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

The purpose of this study was to evaluate the immediate shear bond strength of resin composite luting systems to tooth with or without saliva contamination in different curing modes. The Knoop hardness number of the resin composite luting agents was measured. Four combinations of resin composite luting systems were used. The shear bond strength to bovine teeth was measured with and without saliva contamination in different curing modes at different storage periods. The Knoop hardness number of the resin composite luting agents was also evaluated. Significantly lower enamel and dentin shear bond strengths and Knoop hardness number values were observed in all resin composite luting systems at 5 min versus 24 h, regardless of the curing mode or saliva contamination. The influence of the curing mode of the resin composite luting systems on shear bond strengths and Knoop hardness number was dependent on material. For the saliva contamination conditions, only G-CEM ONE EM did not show any significant difference in shear bond strength among the groups with and without saliva contamination, regardless of curing mode, storage period, or tooth substrate. All the resin composite luting systems showed lower shear bond strengths and Knoop hardness number values immediately after setting.

Original languageEnglish
Article numbere12854
JournalEuropean Journal of Oral Sciences
Volume130
Issue number2
DOIs
Publication statusPublished - Apr 2022

Keywords

  • curing mode
  • immediate bond performance
  • resin composite luting systems
  • saliva contamination

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