Single Bond Universal粘结剂对树脂与玻璃陶瓷粘结强度的研究

›› 2018, Vol. 9 ›› Issue (2): 87-90.

Single Bond Universal粘结剂对树脂与玻璃陶瓷粘结强度的研究

王晓静¹,平逸帆²,³,张元³,王娟⁴,徐海³,张光东⁵

1. 南京农业大学医院
2. 南京医科大学附属口腔医院牙体牙髓科
3. 南京医科大学口腔疾病研究江苏省重点实验室
4. 南京医科大学附属口腔医院
5. 南京医科大学口腔医学院

收稿日期:2018-03-21 修回日期:2018-05-28 出版日期:2018-06-25 发布日期:2018-06-28
通讯作者: 张光东 E-mail:egd_zhang@njmu.edu.cn
基金资助:
中央高校基本科研业务费专项资金资助

The research on the bond strength of the Single Bond Universal to glass ceramic and resin

Received:2018-03-21 Revised:2018-05-28 Online:2018-06-25 Published:2018-06-28

摘要/Abstract

摘要： 目的：评估第八代通用型粘结剂Single Bond Universal对玻璃陶瓷与树脂的粘结强度。方法：选用玻璃陶瓷块40个，经砂纸打磨，超声波清洁后，随机分成4组，每组10个，分别用不同的瓷表面处理方式：对照组不处理，硅烷偶联剂处理组，HF酸处理组，HF酸+硅烷偶联剂处理组。各组经处理后于瓷块处理表面涂布Single Bond Universal粘结剂，粘结树脂制成试件。试件经冷热循环处理5000次后，将试件置于37 ℃蒸馏水中保存24 h取出，使用万能力学测试仪测试各试件的抗剪切强度，并用扫描电镜观察断裂面的断裂模式。结果：在试件的抗剪切强度方面，HF酸处理组（12.7851±0.8677）Mpa、HF酸+硅烷偶联剂处理组（14.7292±0.8847）Mpa明显高于硅烷偶联剂处理组（4.5890±1.1483）Mpa和对照组（2.0637±0.2011）Mpa，而HF酸处理组、HF酸+硅烷偶联剂处理组间差异无统计学意义。在断裂模式方面，HF酸处理组和HF酸+硅烷偶联剂处理组的断裂模式主要以内聚破坏和混合破坏为主。结论：当使用Single Bond Universal粘结剂粘结复合树脂与玻璃陶瓷时，不使用硅烷偶联剂即可达到较为理想的粘结效果，为临床使用Single Bond Universal粘结剂进行树脂修补玻璃陶瓷修复体缺损提供了理论依据。

Abstract: Objective：To evaluate the bond strength of eighth generation adhesive-Single Bond Universal to glass ceramic and resin. Methods: 40 polished and ultrasound cleaned glass ceramics were divided randomly into 4 groups, and followed by different surface treatments: the control without any treatment, silane coupling treatment, hydrofluoric acid etching treatment, and the combination of silane coupling and hydrofluoric acid etching treatment. Each treatment has 10 glass ceramics and covered with Single Bond Universal. Test pieces were made of resin. The test pieces were thermocycled 5000 times and stored in distilled water at 37℃ for 24h before shear bond strength test by universal testing machine. Specimens were also evaluated for mode of fracture using scanning electron microscope (SEM) analysis. Results: The shear bond strength were significantly higher under the hydrofluoric acid etching treatment and the combination treatment than that under the control treatment and the hydrofluoric acid etching treatment, and no statistic difference was found between the hydrofluoric acid etching treatment and the combination treatment. For the mode of fracture, cohesive failure and mixing failure were the main mode under the hydrofluoric acid etching treatment and the combination treatment. Conclusions: When using Single Bond Universal to repair the fracture of the glass ceramic, strong bonding effect will achieve even without silane coupling agent. This might provide the theory basis for the repair of the fractured glass ceramic with resin in clinics.

中图分类号:

R783.1

王晓静平逸帆张元王娟徐海张光东. Single Bond Universal粘结剂对树脂与玻璃陶瓷粘结强度的研究[J]. , 2018, 9(2): 87-90.

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