Study on Effect of Internal Surface Treatment on Bonding Properties and Aesthetic Properties of Super-translucent Zirconia

doi:10.13701/j.cnki.kqyxyj.2025.05.009

Abstract

Abstract: Objective: To compare the effects of three internal surface treatments on the adhesive properties and aesthetic properties of super-translucent zirconia. Methods: Super-translucent zirconia was cut into different sizes as test standard specimens, and three surface treatments (airborne-particle abrasion, lithium disilicate coating, and glaze on) were selected, followed by fracture test and color measurement. The experimental data were analyzed by two-factor ANOVA and post hoc multiple comparisons (LSD test) for comparison of means between groups. Results: Bond strength was lithium disilicate coating group > glazed group > sandblasted group > control group, and color difference was sandblasted group > glazed group > lithium disilicate coating group. Conclusion: The bonding strength after lithium disilicate coating treatment was significantly greater than that of sandblasted group and glazed group, while the color difference was smaller than that of sandblasted group and glazed group, which was less than the clinically acceptable threshold. Without considering other conditions, it is recommended that lithium disilicate coating be preferred when choosing the appropriate internal surface treatment.

Key words: super-translucent zirconia, adhesive properties, aesthetic properties

ZHOU Yu, WANG Yaoyao, CHEN Zijie, LIU Lu, HAO Pengjie. Study on Effect of Internal Surface Treatment on Bonding Properties and Aesthetic Properties of Super-translucent Zirconia[J]. Journal of Oral Science Research, 2025, 41(5): 406-412.

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