Influence of Veneer Type and Resin Cement on Margin Adaptation and Microleakage of Ceramic Veneer

doi:10.13701/j.cnki.kqyxyj.2021.04.012

Abstract

Abstract: Objective: To investigate the influence of veneer type and resin cement on margin adaptation and microleakage of ceramic veneer. Methods: Thirty-six maxillary central incisors were selected and received veneer preparation, then randomly divided into 4 groups. Group A:IPS e.max press veneer + RelyX^TM Veneer; Group B:IPS e.max press veneer + Vitique; Group C:CEREC Blocs CAD/CAM veneer+ RelyX^TM Veneer;Group D: CEREC Blocs CAD/CAM veneer+ Vitique. All teeth underwent a thermocycle aging process and immersed in 2% methylene blue solution. The margin adaptation and dye infiltration depth were measured under the stereomicroscope at different axis section. Results: The margin spaces of four groups were (0.037±0.007) mm, (0.044±0.012) mm, (0.046±0.014) mm, and (0.038±0.004) mm, respectively. The dye infiltration depths of four groups were (0.143±0.085) mm, (0.148±0.087) mm, (0.236±0.074) mm, and (0.158±0.036) mm, respectively. There was no significant difference between groups, however, significant difference in the dye penetration depth between different sections of group B, C, and D. Conclusion: More serious microleakage was often detected at the mesio and distal section of the single veneer. The veneer type and resin cement impose no particular influence on average margin adaptation and microleakage.

Key words: porcelain laminate veneer, CAD/CAM, thermocycle aging

LI Ya, YUAN Shuo, CHEN Zhiyu, LI Meikang, MA Xiaoping. Influence of Veneer Type and Resin Cement on Margin Adaptation and Microleakage of Ceramic Veneer[J]. Journal of Oral Science Research, 2021, 37(4): 330-334.

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