Effect of Masking Treatment on Structure Surface on Adhesion Properties between Zirconia and Resin

doi:10.13701/j.cnki.kqyxyj.2020.06.021

Abstract

Abstract: Objective: To investigate the effect of masking treatment on the adhesion between zirconia ceramics and resin. Methods: Zirconia specimens were made and randomly divided into 3 groups: control group, immersion dyeing group, and immersion dyeing masking group. Each group was randomly divided into 2 subgroups, with or without silane coupling agent. The contact angles of specimens were tested. The specimens were bonded with the resin cement. The shear bond strength was tested after 24 hours and the interface fracture mode was observed. Results: There was no statistical difference in contact angle and fracture mode between the groups. There was no difference in the bonding strength between the immersion dyeing group and the control group. The bonding strength of the immersion dyeing-masking group was significantly lower than those of other two groups. Subgroups coated with a silane coupling agent had significantly higher bonding strength than those without coating. Conclusion: The immersion dyeing has no significant effect on the bonding strength between zirconia ceramics and resins. The masking treatment after immersion dyeing can reduce the bonding strength between zirconia ceramics and resins. Coating silane coupling agents can significantly enhance the zirconia ceramics and resins bonding strength.

Key words: immersion dyeing, masking treatment, shear bond strength, zirconia

GAO Nan, WEI Yuhe, JIANG Xiao, LU Wei. Effect of Masking Treatment on Structure Surface on Adhesion Properties between Zirconia and Resin[J]. Journal of Oral Science Research, 2020, 36(6): 595-598.

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