N. Brümmer, C. Klose, J-T. Schleich, H. J. Maier, M. Eisenburger, M. Stiesch, P.-C. Pott
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引用次数: 0
摘要
本研究旨在调查粘合剂对超细晶粒铌合金（UFG-Nb）的剪切粘接强度（SBS），该合金是一种潜在的牙科植入材料。将三种粘合剂体系与三种复合材料结合后对 UFG-Nb 的 SBS 与对 Ti-6Al-4V 和氧化锆的相应 SBS 进行了比较。用 Al2O3 对 UFG-Nb、Ti-6Al-4V 和氧化锆基材的平面试样进行喷砂、清洁和干燥。将三种粘合剂系统（Futurabond U、Futurabond M +、Futurabond M + DCA；均为 VOCO GmbH，德国库克斯港）分别涂抹在每种基材的试样上，并进行光固化。使用一种复合材料（BifixSE、BifixQM、GrandioSO；均为 VOCO GmbH 公司产品）并光固化，所有基材-粘合剂-复合材料-组合共分为 27 组（n = 10）。储存 24 小时后测量 SBS。为模拟老化，同样制备的试样在 SBS 测量前进行了 5000 次热循环。未老化组的 SBS 没有明显差异。在人工老化组中，GrandioSO 组的 SBS 差异大于其他复合材料。在 UFG-Nb 和氧化锆之间或 Ti-6Al-4V 和氧化锆之间，观察到具有相同粘合剂-复合材料-组合 (ACC) 的相应 UFG-Nb、Ti-6Al-4V 和氧化锆组的所有明显差异，但在两种金属基底之间从未观察到明显差异。这些材料之间的相似性可能体现在它们的粘接行为上。由于人工老化前后相应组别之间没有差异，因此可以得出结论，老化不会影响使用测试的 ACC 对 UFG-Nb、Ti-6Al-4V 和氧化锆的 SBS。已建立的 ACC 与 UFG-Nb 的粘接是可能的，其产生的 SBS 可与 Ti-6Al-4V 和氧化锆表面的 SBS 相媲美。
Shear bond strength between dental adhesive systems and an experimental niobium-based implant material
This study aimed to investigate adhesive shear bond strength (SBS) on an ultrafine-grained niobium alloy (UFG-Nb) that is a potential dental implant material. SBS of three adhesive systems combined with three composites to UFG-Nb was compared to corresponding SBS to Ti-6Al-4V and to zirconia. Specimens of the substrates UFG-Nb, Ti-6Al-4V and zirconia with plane surfaces were sandblasted with Al2O3, cleaned and dried. Three adhesive systems (Futurabond U, Futurabond M + , Futurabond M + DCA; all VOCO GmbH, Cuxhaven, Germany) were applied each on specimens of each substrate and light cured. One composite (BifixSE, BifixQM, GrandioSO; all VOCO GmbH) was applied and light cured resulting in 27 groups (n = 10) for all substrate-adhesive-composite-combinations. SBS was measured after 24 h of storage. To simulate aging equally prepared specimens underwent 5000 thermocycles before SBS measurement. There was no significant difference in SBS within the non-aged groups. Among the artificially aged groups, GrandioSO-groups showed a greater variance of SBS than the other composites. All significant differences of corresponding UFG-Nb-, Ti-6Al-4V- and zirconia-groups with same adhesive-composite-combination (ACC) were observed between UFG-Nb and zirconia or Ti-6Al-4V and zirconia but never between the two metallic substrates. The similarity between these materials might show in their adhesive bonding behavior. As there were no differences comparing corresponding groups prior to and after artificial aging, it can be concluded that aging does not affect SBS to UFG-Nb, Ti-6Al-4V and zirconia using the tested ACCs. Adhesive bonding of established ACCs to UFG-Nb is possible resulting in SBS comparable to those on Ti-6Al-4V and zirconia surfaces.
期刊介绍：
The Journal of Materials Science: Materials in Medicine publishes refereed papers providing significant progress in the application of biomaterials and tissue engineering constructs as medical or dental implants, prostheses and devices. Coverage spans a wide range of topics from basic science to clinical applications, around the theme of materials in medicine and dentistry. The central element is the development of synthetic and natural materials used in orthopaedic, maxillofacial, cardiovascular, neurological, ophthalmic and dental applications. Special biomedical topics include biomaterial synthesis and characterisation, biocompatibility studies, nanomedicine, tissue engineering constructs and cell substrates, regenerative medicine, computer modelling and other advanced experimental methodologies.
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