The effects of various surface treatments on the bond strength between lithium disilicate pressed-ceramics and luting agent

Asian Pacific Journal of Dentistry Pub Date : 1900-01-01 DOI:10.47416/apjod.21-0284

Takushi Fukuyama, N. Hamano, H. Iwashita, Y. Tsujimura, Tota Shimizu, S. Ino

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Abstract

Purpose: This study aimed to evaluate the effects of various surface treatments, including resin coating, on the bond strength between lithium disilicate ceramics and luting agent. Materials and Methods: All specimens were air-abraded with alumina particles and separated into the following four groups based on the surface treatment method used: silane coupling agent (PA); multipurpose ceramic/metal primer (CP); multipurpose ceramic/metal primer with resin coating (CM); and silica coating with multipurpose ceramic/metal primer followed by resin coating (RM). A luting agent was placed on the treated surface and photopolymerized. The shear bond strengths of the materials were measured after 10,000 thermal cycles. Results: The bond strengths of the specimens in the PA group were significantly higher than those in the CP group. CM and RM groups presented with significantly higher bond strengths than CP. Conclusion: The combination of multipurpose ceramic/metal primers and resin coating can significantly increase the bond strength between lithium disilicate ceramics and luting agent. (Asian Pac J Dent 2021; 21: 23-28. doi: 10.47416/apjod.21-0284)

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研究了不同表面处理对二硅酸锂压制陶瓷与粘结剂结合强度的影响

目的:研究树脂涂层等不同表面处理对二硅酸锂陶瓷与粘结剂结合强度的影响。材料与方法:将所有试样用氧化铝颗粒进行空气研磨，根据表面处理方法分为四组:硅烷偶联剂(PA);多用途陶瓷/金属底漆;树脂涂层多用陶瓷/金属底漆(CM);和硅涂层多用途陶瓷/金属底漆，然后树脂涂层(RM)。在处理过的表面上放置一种光解剂并进行光聚合。在10,000次热循环后，测量了材料的剪切粘结强度。结果:PA组的粘接强度明显高于CP组。CM组和RM组的结合强度显著高于CP组。结论:多用途陶瓷/金属底漆与树脂涂层的结合可显著提高二硅酸锂陶瓷与涂胶剂的结合强度。(亚太杂志2021;21:。doi: 10.47416 / apjod.21 - 0284)

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Asian Pacific Journal of Dentistry

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