酸蚀及粘结剂对聚醚醚酮粘结强度的影响

doi:10.13701/j.cnki.kqyxyj.2017.08.003

口腔医学研究 ›› 2017, Vol. 33 ›› Issue (8): 811-815.DOI: 10.13701/j.cnki.kqyxyj.2017.08.003

酸蚀及粘结剂对聚醚醚酮粘结强度的影响

吴彧, 晏奇, 施斌^*

武汉大学口腔医院种植科湖北武汉 430079

收稿日期:2017-04-11 出版日期:2017-08-20 发布日期:2017-08-28
通讯作者: 施斌,E-mail:shibin_dentist@126.com
作者简介:吴彧(1991~ ),女,云南人,硕士在读,主要从事口腔种植的临床治疗工作。
基金资助:
国家自然科学基金(编号:81170992)

Effects of Sulfuric Acid Etching and Adhesive on Bond Strength of Polyetheretherketone.

WU Yu, YAN Qi, SHI Bin^*.

Department of Oral Implantology, The School &Hospital of Stomatology of Wuhan University, Wuhan 430079, China.

Received:2017-04-11 Online:2017-08-20 Published:2017-08-28

摘要/Abstract

摘要： 目的:研究经过不同表面处理后的聚醚醚酮与饰面树脂间粘结强度的变化。实验方法:将聚醚醚酮样品随机分为4组进行表面处理:98%浓硫酸酸蚀组,粘结剂处理组,98%浓硫酸酸蚀+粘结剂处理组和未处理对照组。各处理组再随机分为2个亚组粘结饰面树脂:GC Gradia组,Ceramage组。每个亚组随机选出一半样品用37 ℃蒸馏水浸泡24 h,其余样品冷热循环10000次后,测量样品的剪切粘结强度,SPSS软件统计分析数据;体视显微镜检查样品断裂界面,统计粘结失败类型。结果:各表面处理实验组与空白对照组之间均存在统计学差异,经硫酸酸蚀处理的聚醚醚酮与Ceramage硬质树脂的粘结强度最高(19.38±5.34) MPa,且与其他实验组有统计学差异(P＜0.05)。在冷热循环后,除粘结Gradia Direct树脂的浓硫酸+粘结剂处理组外,其余实验组的粘结强度明显降低(P＜0.05)。结论:浓硫酸酸蚀与自酸蚀粘结剂均能提高聚醚醚酮与饰面树脂的粘结强度,Gradia Direct饰面树脂与经浓硫酸+粘结剂处理的聚醚醚酮表面可形成稳定的粘结作用。

关键词: 聚醚醚酮, 表面处理, 饰面树脂, 剪切粘结强度

Abstract: Objective: To study the effect of different surface treatments on the shear bond strength between PEEK and veneer resin. Methods: One hundred and sixty PEEK samples were prepared and randomly divided into four groups for surface treat: 98% sulfuric acid etching group, adhesive group, 98% sulfuric etching acid + adhesive group, and control group. Each group was divided into two subgroups of different veneering resins: GC Gradia resin and Ceramage resin. Half of each subgroup was randomly selected and immersed in distilled water at 37℃ for 24 h, and the other half was thermocycled 10000 times. The bond strength of samples was measured in a universal testing machine, and then analyzed by ANOVA and SNK-q test in SPSS software. The failure types were assessed by stereomicroscopy. Results: The highest shear bond strength before and after thermocycling was observed for the group treated with sulfured acid and veneering Ceramage resin(P＜0.05). After thermal cycling, all experimental groups showed lower shear bond strength (P＜0.05) except sulfuric acid + adhesive treatment group between PEEK and GC Gradia resin. Conclusion: The treatment with 98％ sulfuric acid etching or the adhesive both can enhance the shear bond strength between PEEK and veneer resin. The bond strength between GC Gradia and PEEK with sulfuric acid + adhesive treatment is more durable.

Key words: Polyetheretherketone, Surface treatment, Veneering resin , Shear bond strength

中图分类号:

R783.1

吴彧, 晏奇, 施斌. 酸蚀及粘结剂对聚醚醚酮粘结强度的影响[J]. 口腔医学研究, 2017, 33(8): 811-815.

WU Yu, YAN Qi, SHI Bin.. Effects of Sulfuric Acid Etching and Adhesive on Bond Strength of Polyetheretherketone.[J]. Journal of Oral Science Research, 2017, 33(8): 811-815.

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酸蚀及粘结剂对聚醚醚酮粘结强度的影响

Effects of Sulfuric Acid Etching and Adhesive on Bond Strength of Polyetheretherketone.

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