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钛种植体表面的物理形貌和化学成分对生物学性能有重要的影响,种植体表面改性一直是学者关注的热点,随着纳米技术的发展,学者们尝试在种植体表面使用各种方法进行纳米改性,主要可分为:物理法、化学法和生物化学法。本文综述了目前钛种植体表面纳米改性的原理和方法,各种方法的优缺点,表面纳米改性后对种植体材料性能的影响以及生物学性能的变化。
The physical morphology and chemical composition of the surface of titanium implants have an important impact on the biological properties. The surface modification of implants has always been a hot spot for scholars. With the development of nanotechnology, scholars have tried to use various methods on the surface of implants Nano-modified, can be divided into: physical, chemical and biochemical methods. This review summarizes the principles and methods of nano-modification of the surface of titanium implants, the advantages and disadvantages of various methods, the effects of nano-modifications on the properties of implants, and the changes of biological properties.